diff --git a/vp9/common/vp9_postproc.h b/vp9/common/vp9_postproc.h
index b07d5d045ed8f85bc33e5bae912717ab18e2aa88..ebebc1ae3467e297d279280d04d6bdd66f3ef4cb 100644
--- a/vp9/common/vp9_postproc.h
+++ b/vp9/common/vp9_postproc.h
@@ -13,6 +13,7 @@
 #define VP9_COMMON_VP9_POSTPROC_H_
 
 #include "vpx_ports/mem.h"
+#include "vpx_scale/yv12config.h"
 #include "vp9/common/vp9_ppflags.h"
 
 #ifdef __cplusplus