diff --git a/lib/dpif-netdev.c b/lib/dpif-netdev.c
index 6c3736ef5..13a20f023 100644
--- a/lib/dpif-netdev.c
+++ b/lib/dpif-netdev.c
@@ -3481,7 +3481,7 @@ dpif_netdev_flow_dump_cast(struct dpif_flow_dump *dump)
 
 static struct dpif_flow_dump *
 dpif_netdev_flow_dump_create(const struct dpif *dpif_, bool terse,
-                             struct dpif_flow_dump_types *type OVS_UNUSED)
+                             char *type OVS_UNUSED)
 {
     struct dpif_netdev_flow_dump *dump;