diff --git a/src/shellies.ts b/src/shellies.ts
index 2459ad7d..405f02e6 100644
--- a/src/shellies.ts
+++ b/src/shellies.ts
@@ -345,7 +345,7 @@ export class Shellies extends EventEmitter<ShelliesEvents> {
       const info = await rpcHandler.request<ShellyDeviceInfo>('Shelly.GetDeviceInfo');
 
       // make sure the returned device ID matches
-      if (info.id !== deviceId) {
+      if (info.id.toLowerCase() !== deviceId.toLowerCase()) {
         throw new Error(`Unexpected device ID (returned: ${info.id}, expected: ${deviceId})`);
       }
 
@@ -392,4 +392,4 @@ export class Shellies extends EventEmitter<ShelliesEvents> {
       this.emit('error', deviceId, error);
     }
   }
-}
\ No newline at end of file
+}