diff --git a/libavcodec/mdec.c b/libavcodec/mdec.c
index 66331d9059..9789a94396 100644
--- a/libavcodec/mdec.c
+++ b/libavcodec/mdec.c
@@ -100,8 +100,8 @@ static inline int mdec_decode_block_intra(MDECContext *a, int16_t *block, int n)
                 LAST_SKIP_BITS(re, &a->gb, 1);
             } else {
                 /* escape */
-                run = SHOW_UBITS(re, &a->gb, 6)+1; LAST_SKIP_BITS(re, &a->gb, 6);
-                UPDATE_CACHE(re, &a->gb);
+                run = SHOW_UBITS(re, &a->gb, 6) + 1;
+                SKIP_BITS(re, &a->gb, 6);
                 level = SHOW_SBITS(re, &a->gb, 10); SKIP_BITS(re, &a->gb, 10);
                 i += run;
                 if (i > 63) {