diff --git a/ospfd/ospf_packet.c b/ospfd/ospf_packet.c
index d6aca71..a842ca6 100644
--- a/ospfd/ospf_packet.c
+++ b/ospfd/ospf_packet.c
@@ -2363,9 +2363,10 @@
     {
       if ((oi = ospf_associate_packet_vl (ospf, ifp, iph, ospfh)) == NULL)
         {
-          zlog_debug ("Packet from [%s] received on link %s"
-                     " but no ospf_interface",
-                     inet_ntoa (iph->ip_src), ifp->name);
+          if (IS_DEBUG_OSPF_EVENT)
+            zlog_debug ("Packet from [%s] received on link %s"
+                        " but no ospf_interface",
+                        inet_ntoa (iph->ip_src), ifp->name);
           return 0;
         }
     }