diff --git a/libavcodec/h261.h b/libavcodec/h261.h
index 5f996dee63a334460c9dce0edab057dc4cffcd85..b5eb539e7386635b638a9fe42d4b40d130d5807c 100644
--- a/libavcodec/h261.h
+++ b/libavcodec/h261.h
@@ -48,4 +48,4 @@ typedef struct H261Context{
 
 #define MB_TYPE_H261_FIL 0x800000
 
-#endif AVCODEC_H261_H
+#endif /* AVCODEC_H261_H */