diff --git a/modules.d/40network/net-lib.sh b/modules.d/40network/net-lib.sh
index e6a9f8e5..2bb69eae 100755
--- a/modules.d/40network/net-lib.sh
+++ b/modules.d/40network/net-lib.sh
@@ -748,7 +748,7 @@ iface_has_link() {
 iface_is_enslaved() {
     local _li
     _li=$(ip -o link show dev $1)
-    strstr "$li" " master " || return 1
+    strstr "$_li" " master " || return 1
     return 0
 }