diff --git a/libavcodec/diracdec.c b/libavcodec/diracdec.c
index 19bcc350bf..b5aa22c690 100644
--- a/libavcodec/diracdec.c
+++ b/libavcodec/diracdec.c
@@ -442,7 +442,7 @@ static av_cold int dirac_decode_end(AVCodecContext *avctx)
 static inline int coeff_unpack_golomb(GetBitContext *gb, int qfactor, int qoffset)
 {
     int coeff = dirac_get_se_golomb(gb);
-    const int sign = FFSIGN(coeff);
+    const unsigned sign = FFSIGN(coeff);
     if (coeff)
         coeff = sign*((sign * coeff * qfactor + qoffset) >> 2);
     return coeff;