--- nodereference_count.module
+++ nodereference_count.module
@@ -114,7 +114,7 @@
       $column = $db_info['columns']['nid']['column'];
       // Not sure a placeholder would work for the nid in this context.
       // It should be safe regardless as it is getting the value from the node object in CCK or hook_nodeapi().
-      $queries[] = "SELECT COUNT(*) FROM {". $table ."} WHERE ". $column ." = ". $nid;
+      $queries[] = "SELECT COUNT(DISTINCT nid) FROM {". $table ."} WHERE ". $column ." = ". $nid;
     }
   }