diff --git a/libavfilter/allfilters.c b/libavfilter/allfilters.c
index b33f54f7e9..6ee13df238 100644
--- a/libavfilter/allfilters.c
+++ b/libavfilter/allfilters.c
@@ -34,10 +34,10 @@ void avfilter_register_all(void)
         return;
     initialized = 1;
 
-    REGISTER_FILTER (CROP,crop,vf);
-    REGISTER_FILTER (FORMAT,format,vf);
-    REGISTER_FILTER (NOFORMAT,noformat,vf);
-    REGISTER_FILTER (NULL,null,vf);
-    REGISTER_FILTER (SLICIFY,slicify,vf);
-    REGISTER_FILTER (VFLIP,vflip,vf);
+    REGISTER_FILTER (CROP, crop, vf);
+    REGISTER_FILTER (FORMAT, format, vf);
+    REGISTER_FILTER (NOFORMAT, noformat, vf);
+    REGISTER_FILTER (NULL, null, vf);
+    REGISTER_FILTER (SLICIFY, slicify, vf);
+    REGISTER_FILTER (VFLIP, vflip, vf);
 }