diff --git a/pimd/pim_neighbor.c b/pimd/pim_neighbor.c
index 0df7422..51ce8c9 100644
--- a/pimd/pim_neighbor.c
+++ b/pimd/pim_neighbor.c
@@ -689,8 +689,8 @@
 
   if (neigh->prefix_list == addr_list) {
     if (addr_list) {
-      zlog_err("%s: internal error: trying to replace same prefix list=%u",
-	       __PRETTY_FUNCTION__, (unsigned) addr_list);
+      zlog_err("%s: internal error: trying to replace same prefix list=%p",
+	       __PRETTY_FUNCTION__, (void *) addr_list);
     }
   }
   else {