diff --git a/libavcodec/cabac.h b/libavcodec/cabac.h
index d7f58d7284..4499cf3eb6 100644
--- a/libavcodec/cabac.h
+++ b/libavcodec/cabac.h
@@ -738,7 +738,7 @@ static int decode_significance_x86(CABACContext *c, int max_coeff, uint8_t *sign
     return coeff_count;
 }
 
-static int decode_significance_8x8_x86(CABACContext *c, uint8_t *significant_coeff_ctx_base, int *index, uint8_t *sig_off){
+static int decode_significance_8x8_x86(CABACContext *c, uint8_t *significant_coeff_ctx_base, int *index, const uint8_t *sig_off){
     int minusindex= 4-(int)index;
     int coeff_count;
     long last=0;