diff --git a/vp8/decoder/decodemv.c b/vp8/decoder/decodemv.c
index 44b98e773b7416a00e8d33089a4506dcc3af2864..4f24b445fca1f3eb8abb1a68242a67123269b9a6 100644
--- a/vp8/decoder/decodemv.c
+++ b/vp8/decoder/decodemv.c
@@ -226,13 +226,14 @@ void vp8_decode_mode_mvs(VP8D_COMP *pbi)
                         int mv_contz;
 
                         while (j != L[++k])
-                            if (k >= 16)
+                        {
 #if CONFIG_DEBUG
+                            if (k >= 16)
+                            {
                                 assert(0);
-
-#else
-                                ;
+                            }
 #endif
+                        }
 
                         mv_contz = vp8_mv_cont(&(vp8_left_bmi(mi, k)->mv.as_mv), &(vp8_above_bmi(mi, k, mis)->mv.as_mv));