diff --git a/decoder/impeg2d_pnb_pic.c b/decoder/impeg2d_pnb_pic.c
index 69277e5..570f0d2 100644
--- a/decoder/impeg2d_pnb_pic.c
+++ b/decoder/impeg2d_pnb_pic.c
@@ -77,6 +77,12 @@
     else
     {
         u2_mb_addr_incr = impeg2d_get_mb_addr_incr(ps_stream);
+
+        if(!u2_mb_addr_incr)
+        {
+            return IV_FAIL;
+        }
+
         if(0 == ps_dec->u2_first_mb)
         {
             /****************************************************************/