diff --git a/src/network/bridge_driver_nop.c b/src/network/bridge_driver_nop.c
index f98340298a..23c712d4fe 100644
--- a/src/network/bridge_driver_nop.c
+++ b/src/network/bridge_driver_nop.c
@@ -21,7 +21,7 @@
 
 #include <config.h>
 
-int networkCheckRouteCollision(virNetworkObjPtr network)
+int networkCheckRouteCollision(virNetworkObjPtr network ATTRIBUTE_UNUSED)
 {
     return 0;
 }