diff --git a/src/wg-quick/darwin.bash b/src/wg-quick/darwin.bash
index 1443c76..8387d85 100755
--- a/src/wg-quick/darwin.bash
+++ b/src/wg-quick/darwin.bash
@@ -100,7 +100,7 @@ get_real_interface() {
 }
 
 add_if() {
-	export WG_DARWIN_UTUN_NAME_FILE="/var/run/wireguard/$INTERFACE.name"
+	export WG_TUN_NAME_FILE="/var/run/wireguard/$INTERFACE.name"
 	mkdir -m 0700 -p "/var/run/wireguard/"
 	cmd "${WG_QUICK_USERSPACE_IMPLEMENTATION:-wireguard-go}" utun
 	get_real_interface