diff --git a/libavfilter/avfilter.h b/libavfilter/avfilter.h
index 22b8b1ca5b..ad8b1e51a5 100644
--- a/libavfilter/avfilter.h
+++ b/libavfilter/avfilter.h
@@ -227,7 +227,7 @@ typedef struct AVFilterFormats {
 
     unsigned refcount;          ///< number of references to this list
     struct AVFilterFormats ***refs; ///< references to this list
-}  AVFilterFormats;;
+}  AVFilterFormats;
 
 /**
  * Create a list of supported formats. This is intended for use in