diff --git a/lib/types/api.ts b/lib/types/api.ts
index b429dd716..2eaad7a00 100644
--- a/lib/types/api.ts
+++ b/lib/types/api.ts
@@ -165,7 +165,8 @@ export interface Zigbee2MQTTAPI {
         };
         network: {
             pan_id: number;
-            extended_pan_id: number;
+            /** `0x${string}` 8-len */
+            extended_pan_id: string;
             channel: number;
         };
         log_level: 'debug' | 'info' | 'warning' | 'error';
diff --git a/test/extensions/bridge.test.ts b/test/extensions/bridge.test.ts
index 58ceece85..84b069235 100644
--- a/test/extensions/bridge.test.ts
+++ b/test/extensions/bridge.test.ts
@@ -220,7 +220,7 @@ describe('Extension: Bridge', () => {
                 config_schema: settings.schemaJson,
                 coordinator: {ieee_address: '0x00124b00120144ae', meta: {revision: 20190425, version: 1}, type: 'z-Stack'},
                 log_level: 'info',
-                network: {channel: 15, extended_pan_id: 0x001122, pan_id: 5674},
+                network: {channel: 15, extended_pan_id: '0x64c5fd698daf0c00', pan_id: 5674},
                 permit_join: false,
                 permit_join_end: undefined,
                 restart_required: false,
diff --git a/test/mocks/zigbeeHerdsman.ts b/test/mocks/zigbeeHerdsman.ts
index 9728c8bc5..0135172f8 100644
--- a/test/mocks/zigbeeHerdsman.ts
+++ b/test/mocks/zigbeeHerdsman.ts
@@ -1098,7 +1098,9 @@ export const mockController = {
     backup: jest.fn(),
     coordinatorCheck: jest.fn(),
     getCoordinatorVersion: jest.fn((): Promise<CoordinatorVersion> => Promise.resolve({type: 'z-Stack', meta: {version: 1, revision: 20190425}})),
-    getNetworkParameters: jest.fn((): Promise<NetworkParameters> => Promise.resolve({panID: 0x162a, extendedPanID: 0x001122, channel: 15})),
+    getNetworkParameters: jest.fn(
+        (): Promise<NetworkParameters> => Promise.resolve({panID: 0x162a, extendedPanID: '0x64c5fd698daf0c00', channel: 15}),
+    ),
     getDevices: jest.fn((): Device[] => []),
     getDevicesIterator: jest.fn(function* (predicate?: (value: Device) => boolean): Generator<Device> {
         for (const key in devices) {