diff --git a/sys/netgraph/ng_ipfw.c b/sys/netgraph/ng_ipfw.c
index 117c608dfd7a..fe8ea893077e 100644
--- a/sys/netgraph/ng_ipfw.c
+++ b/sys/netgraph/ng_ipfw.c
@@ -194,7 +194,7 @@ ng_ipfw_connect(hook_p hook)
 }
 
 /* Look up hook by name */
-hook_p
+static hook_p
 ng_ipfw_findhook(node_p node, const char *name)
 {
 	u_int16_t n;	/* numeric representation of hook */