diff --git a/decoder/ihevcd_parse_slice_header.c b/decoder/ihevcd_parse_slice_header.c
index 2ef174c..f08aa64 100644
--- a/decoder/ihevcd_parse_slice_header.c
+++ b/decoder/ihevcd_parse_slice_header.c
@@ -314,7 +314,7 @@
     }
 
     ps_slice_hdr = ps_codec->s_parse.ps_slice_hdr_base + (ps_codec->s_parse.i4_cur_slice_idx & (MAX_SLICE_HDR_CNT - 1));
-
+    memset(ps_slice_hdr, 0, sizeof(*ps_slice_hdr));
 
     if((ps_pps->i1_dependent_slice_enabled_flag) &&
        (!first_slice_in_pic_flag))