diff --git a/libavfilter/allfilters.c b/libavfilter/allfilters.c
index 899f38d591..fccd1f5154 100644
--- a/libavfilter/allfilters.c
+++ b/libavfilter/allfilters.c
@@ -34,17 +34,17 @@ void avfilter_register_all(void)
         return;
     initialized = 1;
 
-    REGISTER_FILTER (ASPECT, aspect, vf);
-    REGISTER_FILTER (CROP, crop, vf);
-    REGISTER_FILTER (FORMAT, format, vf);
-    REGISTER_FILTER (NOFORMAT, noformat, vf);
-    REGISTER_FILTER (NULL, null, vf);
+    REGISTER_FILTER (ASPECT,      aspect,      vf);
+    REGISTER_FILTER (CROP,        crop,        vf);
+    REGISTER_FILTER (FORMAT,      format,      vf);
+    REGISTER_FILTER (NOFORMAT,    noformat,    vf);
+    REGISTER_FILTER (NULL,        null,        vf);
     REGISTER_FILTER (PIXELASPECT, pixelaspect, vf);
-    REGISTER_FILTER (SCALE, scale, vf);
-    REGISTER_FILTER (SLICIFY, slicify, vf);
-    REGISTER_FILTER (VFLIP, vflip, vf);
+    REGISTER_FILTER (SCALE,       scale,       vf);
+    REGISTER_FILTER (SLICIFY,     slicify,     vf);
+    REGISTER_FILTER (VFLIP,       vflip,       vf);
 
-    REGISTER_FILTER (NULLSRC, nullsrc, vsrc);
+    REGISTER_FILTER (NULLSRC,     nullsrc,     vsrc);
 
-    REGISTER_FILTER (NULLSINK, nullsink, vsink);
+    REGISTER_FILTER (NULLSINK,    nullsink,    vsink);
 }