diff --git a/include/linux/if_macvlan.h b/include/linux/if_macvlan.h
index 84dde1d..e47ad46 100644
--- a/include/linux/if_macvlan.h
+++ b/include/linux/if_macvlan.h
@@ -8,7 +8,7 @@
 #include <net/netlink.h>
 #include <linux/u64_stats_sync.h>
 
-#if defined(CONFIG_MACVTAP) || defined(CONFIG_MACVTAP_MODULE)
+#if IS_ENABLED(CONFIG_MACVTAP)
 struct socket *macvtap_get_socket(struct file *);
 #else
 #include <linux/err.h>