diff --git a/decoder/ihevcd_parse_headers.c b/decoder/ihevcd_parse_headers.c
index e16a9e6..f70e150 100644
--- a/decoder/ihevcd_parse_headers.c
+++ b/decoder/ihevcd_parse_headers.c
@@ -168,6 +168,11 @@
     if(ps_sps->i1_chroma_format_idc != 0)
     {
         SEV_PARSE("delta_chroma_log2_weight_denom", value, ps_bitstrm);
+        if((value < -7) || (value > 7))
+        {
+            return IHEVCD_INVALID_PARAMETER;
+        }
+
         if(((ps_wt_ofst->i1_luma_log2_weight_denom + value) < 0) ||
                 ((ps_wt_ofst->i1_luma_log2_weight_denom + value) > 7))
         {