diff --git a/vp9/common/vp9_blockd.c b/vp9/common/vp9_blockd.c
index e13445fd1..7094a0118 100644
--- a/vp9/common/vp9_blockd.c
+++ b/vp9/common/vp9_blockd.c
@@ -92,7 +92,7 @@ void vp9_foreach_transformed_block(const MACROBLOCKD* const xd,
                                    void *arg) {
   int plane;
 
-  for (plane = 0; plane < MAX_MB_PLANE; plane++)
+  for (plane = 0; plane < MAX_MB_PLANE; ++plane)
     vp9_foreach_transformed_block_in_plane(xd, bsize, plane, visit, arg);
 }