diff --git a/av1/common/alloccommon.c b/av1/common/alloccommon.c
index 30ccb08..4f1ad49 100644
--- a/av1/common/alloccommon.c
+++ b/av1/common/alloccommon.c
@@ -150,7 +150,7 @@
     const int is_uv = p > 0;
     const int ss_x = is_uv && cm->subsampling_x;
 
-    const int plane_w = (frame_w + 2 * RESTORATION_EXTRA_HORZ + ss_x) >> ss_x;
+    const int plane_w = ((frame_w + ss_x) >> ss_x) + 2 * RESTORATION_EXTRA_HORZ;
     const int align_bits = 5;  // align for efficiency
     const int stride = ALIGN_POWER_OF_TWO(plane_w, align_bits);