diff --git a/decoder/impeg2d_pnb_pic.c b/decoder/impeg2d_pnb_pic.c
index a3ae436..f7937a8 100644
--- a/decoder/impeg2d_pnb_pic.c
+++ b/decoder/impeg2d_pnb_pic.c
@@ -299,6 +299,11 @@
     {
         u2_mb_addr_incr = impeg2d_get_mb_addr_incr(ps_stream);
 
+        if(0 == u2_mb_addr_incr)
+        {
+            return IV_FAIL;
+        }
+
         if(ps_dec->u2_first_mb)
         {
             /****************************************************************/