diff --git a/lib/controller.js b/lib/controller.js
index f407d8c8..d6a2fb9a 100644
--- a/lib/controller.js
+++ b/lib/controller.js
@@ -8,7 +8,7 @@ const objectAssignDeep = require('object-assign-deep');
 const utils = require('./util/utils');
 
 // Extensions
-const ExtensionEntityPublish = require('./extension/entityPublish');
+const ExtensionPublish = require('./extension/publish');
 const ExtensionReceive = require('./extension/receive');
 const ExtensionNetworkMap = require('./extension/networkMap');
 const ExtensionSoftReset = require('./extension/legacy/softReset');
@@ -36,7 +36,7 @@ class Controller {
         // Initialize extensions.
         const args = [this.zigbee, this.mqtt, this.state, this.publishEntityState, this.eventBus];
         this.extensions = [
-            new ExtensionEntityPublish(...args),
+            new ExtensionPublish(...args),
             new ExtensionReceive(...args),
             new ExtensionDeviceGroupMembership(...args),
             new ExtensionConfigure(...args),
diff --git a/lib/extension/entityPublish.js b/lib/extension/publish.js
similarity index 75%
rename from lib/extension/entityPublish.js
rename to lib/extension/publish.js
index 9205376c..69d49d4f 100644
--- a/lib/extension/entityPublish.js
+++ b/lib/extension/publish.js
@@ -6,8 +6,7 @@ const utils = require('../util/utils');
 const assert = require('assert');
 const Extension = require('./extension');
 
-const postfixes = utils.getEndpointNames();
-const topicRegex = new RegExp(`^(.+?)(?:/(${postfixes.join('|')}))?/(get|set)(?:/(.+))?`);
+const topicRegex = new RegExp(`^(.+?)(?:/(${utils.getEndpointNames().join('|')}))?/(get|set)(?:/(.+))?`);
 
 const groupConverters = [
     zigbeeHerdsmanConverters.toZigbeeConverters.light_onoff_brightness,
@@ -46,7 +45,7 @@ class EntityPublish extends Extension {
             return null;
         }
 
-        return {ID: ID, postfix: match[2] || '', type: match[3], attribute: match[4]};
+        return {ID: ID, endpointName: match[2] || '', type: match[3], attribute: match[4]};
     }
 
     async onMQTTMessage(topic, message) {
@@ -55,20 +54,20 @@ class EntityPublish extends Extension {
             return false;
         }
 
-        const entityName = `${topic.ID}` + (topic.postfix ? `/${topic.postfix}` : '');
-        const entity = this.zigbee.resolveEntity(entityName);
+        const entityKey = `${topic.ID}` + (topic.endpointName ? `/${topic.endpointName}` : '');
+        const resolvedEntity = this.zigbee.resolveEntity(entityKey);
 
-        if (!entity) {
+        if (!resolvedEntity) {
             /* istanbul ignore else */
             if (settings.get().advanced.legacy_api) {
-                const message = {friendly_name: entityName};
+                const message = {friendly_name: entityKey};
                 this.mqtt.publish(
                     'bridge/log',
                     JSON.stringify({type: `entity_not_found`, message}),
                 );
             }
 
-            logger.error(`Entity '${entityName}' is unknown`);
+            logger.error(`Entity '${entityKey}' is unknown`);
             return;
         }
 
@@ -77,27 +76,26 @@ class EntityPublish extends Extension {
         let target = null;
         let options = {};
         let device = null;
-        let mapped = null;
+        let definition = null;
 
-        assert(entity.type === 'device' || entity.type === 'group');
-        if (entity.type === 'device') {
-            // Map device to a model
-            if (!entity.definition) {
-                logger.warn(`Device with modelID '${entity.device.modelID}' is not supported.`);
+        assert(resolvedEntity.type === 'device' || resolvedEntity.type === 'group');
+        if (resolvedEntity.type === 'device') {
+            if (!resolvedEntity.definition) {
+                logger.warn(`Device with modelID '${resolvedEntity.device.modelID}' is not supported.`);
                 logger.warn(`Please see: https://www.zigbee2mqtt.io/how_tos/how_to_support_new_devices.html`);
                 return;
             }
 
-            device = entity.device;
-            mapped = entity.definition;
-            target = entity.endpoint;
-            converters = entity.definition.toZigbee;
-            options = entity.settings;
+            device = resolvedEntity.device;
+            definition = resolvedEntity.definition;
+            target = resolvedEntity.endpoint;
+            converters = resolvedEntity.definition.toZigbee;
+            options = resolvedEntity.settings;
         } else {
             converters = groupConverters;
-            target = entity.group;
-            options = entity.settings;
-            mapped = entity.group.members.map((e) => zigbeeHerdsmanConverters.findByDevice(e.getDevice()));
+            target = resolvedEntity.group;
+            options = resolvedEntity.settings;
+            definition = resolvedEntity.group.members.map((e) => zigbeeHerdsmanConverters.findByDevice(e.getDevice()));
         }
 
         // Convert the MQTT message to a Zigbee message.
@@ -113,7 +111,7 @@ class EntityPublish extends Extension {
             }
         }
 
-        const deviceState = this.state.get(entity.settings.ID) || {};
+        const deviceState = this.state.get(resolvedEntity.settings.ID) || {};
         const isOn = deviceState && deviceState.state === 'ON' ? true : false;
 
         /**
@@ -148,18 +146,18 @@ class EntityPublish extends Extension {
         // For each attribute call the corresponding converter
         const usedConverters = [];
         for (let [key, value] of entries) {
-            let postfix = topic.postfix;
+            let endpointName = topic.endpointName;
             let actualTarget = target;
 
-            // When the key has a postfix included (e.g. state_right), this will override the target.
-            if (entity.type === 'device' && key.includes('_')) {
+            // When the key has a endpointName included (e.g. state_right), this will override the target.
+            if (resolvedEntity.type === 'device' && key.includes('_')) {
                 const underscoreIndex = key.lastIndexOf('_');
-                const possiblePostfix = key.substring(underscoreIndex + 1, key.length);
-                if (utils.getEndpointNames().includes(possiblePostfix)) {
-                    postfix = possiblePostfix;
+                const possibleEndpointName = key.substring(underscoreIndex + 1, key.length);
+                if (utils.getEndpointNames().includes(possibleEndpointName)) {
+                    endpointName = possibleEndpointName;
                     key = key.substring(0, underscoreIndex);
                     const device = target.getDevice();
-                    actualTarget = device.getEndpoint(mapped.endpoint(device)[postfix]);
+                    actualTarget = device.getEndpoint(definition.endpoint(device)[endpointName]);
                 }
             }
 
@@ -177,32 +175,32 @@ class EntityPublish extends Extension {
 
             // Converter didn't return a result, skip
             const meta = {
-                endpoint_name: postfix,
+                endpoint_name: endpointName,
                 options,
                 message: json,
                 logger,
                 device,
                 state: deviceState,
-                mapped,
+                mapped: definition,
             };
 
             try {
                 if (topic.type === 'set' && converter.convertSet) {
-                    logger.debug(`Publishing '${topic.type}' '${key}' to '${entity.name}'`);
+                    logger.debug(`Publishing '${topic.type}' '${key}' to '${resolvedEntity.name}'`);
                     const result = await converter.convertSet(actualTarget, key, value, meta);
                     if (result && result.state) {
                         const msg = result.state;
 
-                        if (postfix) {
+                        if (endpointName) {
                             for (const key of ['state', 'brightness']) {
                                 if (msg.hasOwnProperty(key)) {
-                                    msg[`${key}_${postfix}`] = msg[key];
+                                    msg[`${key}_${endpointName}`] = msg[key];
                                     delete msg[key];
                                 }
                             }
                         }
 
-                        this.publishEntityState(entity.settings.ID, msg);
+                        this.publishEntityState(resolvedEntity.settings.ID, msg);
                     }
 
                     // It's possible for devices to get out of sync when writing an attribute that's not reportable.
@@ -213,13 +211,13 @@ class EntityPublish extends Extension {
                     // ever issue a read here, as we assume the device will properly report changes.
                     // Only do this when the retrieve_state option is enabled for this device.
                     if (
-                        entity.type === 'device' && result && result.hasOwnProperty('readAfterWriteTime') &&
-                        entity.settings.retrieve_state
+                        resolvedEntity.type === 'device' && result && result.hasOwnProperty('readAfterWriteTime') &&
+                        resolvedEntity.settings.retrieve_state
                     ) {
                         setTimeout(() => converter.convertGet(actualTarget, key, meta), result.readAfterWriteTime);
                     }
                 } else if (topic.type === 'get' && converter.convertGet) {
-                    logger.debug(`Publishing get '${topic.type}' '${key}' to '${entity.name}'`);
+                    logger.debug(`Publishing get '${topic.type}' '${key}' to '${resolvedEntity.name}'`);
                     await converter.convertGet(actualTarget, key, meta);
                 } else {
                     logger.error(`No converter available for '${topic.type}' '${key}' (${json[key]})`);
@@ -227,13 +225,13 @@ class EntityPublish extends Extension {
                 }
             } catch (error) {
                 const message =
-                    `Publish '${topic.type}' '${key}' to '${entity.name}' failed: '${error}'`;
+                    `Publish '${topic.type}' '${key}' to '${resolvedEntity.name}' failed: '${error}'`;
                 logger.error(message);
                 logger.debug(error.stack);
 
                 /* istanbul ignore else */
                 if (settings.get().advanced.legacy_api) {
-                    const meta = {friendly_name: entity.name};
+                    const meta = {friendly_name: resolvedEntity.name};
                     this.mqtt.publish(
                         'bridge/log',
                         JSON.stringify({type: `zigbee_publish_error`, message, meta}),
diff --git a/test/entityPublish.test.js b/test/publish.test.js
similarity index 99%
rename from test/entityPublish.test.js
rename to test/publish.test.js
index b43c294b..8d1d67ab 100644
--- a/test/entityPublish.test.js
+++ b/test/publish.test.js
@@ -21,7 +21,7 @@ const expectNothingPublished = () => {
     })
 }
 
-describe('Entity publish', () => {
+describe('Publish', () => {
     let controller;
 
     beforeAll(async () => {