diff --git a/workmanager_android/android/src/main/kotlin/dev/fluttercommunity/workmanager/BackgroundWorker.kt b/workmanager_android/android/src/main/kotlin/dev/fluttercommunity/workmanager/BackgroundWorker.kt
index 828a5d15..227e84e5 100644
--- a/workmanager_android/android/src/main/kotlin/dev/fluttercommunity/workmanager/BackgroundWorker.kt
+++ b/workmanager_android/android/src/main/kotlin/dev/fluttercommunity/workmanager/BackgroundWorker.kt
@@ -90,6 +90,13 @@ class BackgroundWorker(
         ) {
             val callbackHandle = SharedPreferenceHelper.getCallbackHandle(applicationContext)
             val callbackInfo = FlutterCallbackInformation.lookupCallbackInformation(callbackHandle)
+
+            if (callbackInfo == null) {
+                Log.e(TAG, "Failed to resolve Dart callback for handle $callbackHandle.")
+                completer?.set(Result.failure())
+                return@ensureInitializationCompleteAsync
+            }
+
             val dartBundlePath = flutterLoader.findAppBundlePath()
 
             if (isInDebug) {