diff --git a/Audjustable/Classes/AudioPlayer/AudioPlayer.m b/Audjustable/Classes/AudioPlayer/AudioPlayer.m
index 6a2762e..3ef6fef 100644
--- a/Audjustable/Classes/AudioPlayer/AudioPlayer.m
+++ b/Audjustable/Classes/AudioPlayer/AudioPlayer.m
@@ -318,7 +318,7 @@ static void AudioQueueIsRunningCallbackProc(void* userData, AudioQueueRef audioQ
     
     internalState = value;
     
-    if ([self.delegate respondsToSelector:@selector(internalStateChanged:)])
+    if ([self.delegate respondsToSelector:@selector(audioPlayer:internalStateChanged:)])
     {
         dispatch_async(dispatch_get_main_queue(), ^
                        {