diff --git a/decoder/ihevcd_parse_headers.c b/decoder/ihevcd_parse_headers.c
index 154c335..4fb4403 100644
--- a/decoder/ihevcd_parse_headers.c
+++ b/decoder/ihevcd_parse_headers.c
@@ -1333,20 +1333,18 @@ IHEVCD_ERROR_T ihevcd_parse_sps(codec_t *ps_codec)
     for(; i < ps_sps->i1_sps_max_sub_layers; i++)
     {
         UEV_PARSE("max_dec_pic_buffering", value, ps_bitstrm);
+        if((value + 1) > MAX_DPB_SIZE)
+        {
+            return IHEVCD_INVALID_PARAMETER;
+        }
         ps_sps->ai1_sps_max_dec_pic_buffering[i] = value + 1;
 
-        if(ps_sps->ai1_sps_max_dec_pic_buffering[i] > MAX_DPB_SIZE)
-        {
-            return IHEVCD_INVALID_PARAMETER;
-        }
-
         UEV_PARSE("num_reorder_pics", value, ps_bitstrm);
-        ps_sps->ai1_sps_max_num_reorder_pics[i] = value;
-
-        if(ps_sps->ai1_sps_max_num_reorder_pics[i] > ps_sps->ai1_sps_max_dec_pic_buffering[i])
+        if(value > ps_sps->ai1_sps_max_dec_pic_buffering[i])
         {
             return IHEVCD_INVALID_PARAMETER;
         }
+        ps_sps->ai1_sps_max_num_reorder_pics[i] = value;
 
         UEV_PARSE("max_latency_increase", value, ps_bitstrm);
         ps_sps->ai1_sps_max_latency_increase[i] = value;