diff --git a/sys/dev/netmap/netmap_freebsd.c b/sys/dev/netmap/netmap_freebsd.c
index 6572ca1a280..9eecf8516e0 100644
--- a/sys/dev/netmap/netmap_freebsd.c
+++ b/sys/dev/netmap/netmap_freebsd.c
@@ -223,6 +223,14 @@ generic_xmit_frame(struct ifnet *ifp, struct mbuf *m,
 }
 
 
+#if __FreeBSD_version >= 1100005
+struct netmap_adapter *
+netmap_getna(if_t ifp)
+{
+	return (NA((struct ifnet *)ifp));
+}
+#endif /* __FreeBSD_version >= 1100005 */
+
 /*
  * The following two functions are empty until we have a generic
  * way to extract the info from the ifp
diff --git a/sys/dev/netmap/netmap_generic.c b/sys/dev/netmap/netmap_generic.c
index 1cff0193422..b67f6fce265 100644
--- a/sys/dev/netmap/netmap_generic.c
+++ b/sys/dev/netmap/netmap_generic.c
@@ -811,9 +811,3 @@ generic_netmap_attach(struct ifnet *ifp)
 
 	return retval;
 }
-
-struct netmap_adapter *
-netmap_getna(if_t ifp)
-{
-	return (NA((struct ifnet *)ifp));
-}