diff --git a/scripts/generateNewSupportedDevices.js b/scripts/generateNewSupportedDevices.js
index 23f7a2089..eee307208 100644
--- a/scripts/generateNewSupportedDevices.js
+++ b/scripts/generateNewSupportedDevices.js
@@ -6,5 +6,6 @@ const zigbeeHerdsmanConverters = require('zigbee-herdsman-converters');
 
 for (const line of text.split('\n')) {
     const model = zigbeeHerdsmanConverters.devices.find((d) => d.model === line);
+    if (!model) throw new Error(`${line} does not exist`);
     console.log(`- \`${line}\` ${model.vendor} ${model.description}`);
 }