diff --git a/libavfilter/libmpcodecs/vf_eq.c b/libavfilter/libmpcodecs/vf_eq.c
index 4e256d9eac..c926c51804 100644
--- a/libavfilter/libmpcodecs/vf_eq.c
+++ b/libavfilter/libmpcodecs/vf_eq.c
@@ -31,7 +31,7 @@
 
 #include "libvo/video_out.h"
 
-static struct vf_priv_s {
+struct vf_priv_s {
         unsigned char *buf;
         int brightness;
         int contrast;