diff --git a/libmpcodecs/ae_lame.h b/libmpcodecs/ae_lame.h
index fc5da16bbf..d77b4a6db2 100644
--- a/libmpcodecs/ae_lame.h
+++ b/libmpcodecs/ae_lame.h
@@ -1,5 +1,5 @@
-#ifndef __AE_PCM_H_
-#define __AE_PCM_H_
+#ifndef __AE_MP3LAME_H_
+#define __AE_MP3LAME_H_
 
 #include "ae.h"