diff --git a/libavcodec/h264_ps.c b/libavcodec/h264_ps.c
index 4a5f66e184..41e63c74c1 100644
--- a/libavcodec/h264_ps.c
+++ b/libavcodec/h264_ps.c
@@ -812,8 +812,8 @@ int ff_h264_decode_picture_parameter_set(GetBitContext *gb, AVCodecContext *avct
 
     pps->weighted_pred                        = get_bits1(gb);
     pps->weighted_bipred_idc                  = get_bits(gb, 2);
-    pps->init_qp                              = get_se_golomb(gb) + 26 + qp_bd_offset;
-    pps->init_qs                              = get_se_golomb(gb) + 26 + qp_bd_offset;
+    pps->init_qp                              = get_se_golomb(gb) + 26U + qp_bd_offset;
+    pps->init_qs                              = get_se_golomb(gb) + 26U + qp_bd_offset;
     pps->chroma_qp_index_offset[0]            = get_se_golomb(gb);
     pps->deblocking_filter_parameters_present = get_bits1(gb);
     pps->constrained_intra_pred               = get_bits1(gb);