diff --git a/decoder/ih264d_parse_slice.c b/decoder/ih264d_parse_slice.c
index 927f1c0..cc1d90f 100644
--- a/decoder/ih264d_parse_slice.c
+++ b/decoder/ih264d_parse_slice.c
@@ -1100,7 +1100,7 @@
     u2_first_mb_in_slice = ih264d_uev(pu4_bitstrm_ofst,
                                      pu4_bitstrm_buf);
     if(u2_first_mb_in_slice
-                    > (ps_dec->u2_frm_ht_in_mbs * ps_dec->u2_frm_wd_in_mbs))
+                    >= (ps_dec->u2_frm_ht_in_mbs * ps_dec->u2_frm_wd_in_mbs))
     {
 
         return ERROR_CORRUPTED_SLICE;