diff --git a/lib/tiny-cloud/mdev b/lib/tiny-cloud/mdev
index ffc040c..6242278 100644
--- a/lib/tiny-cloud/mdev
+++ b/lib/tiny-cloud/mdev
@@ -35,5 +35,5 @@ mod__vnic_eth_hotplug() {
 # load cloud-specific functions
 : "${LIBDIR:=$PREFIX/lib}"
 if [ -f "$LIBDIR"/tiny-cloud/"$CLOUD"/mdev ]; then
-	"$LIBDIR"/tiny-cloud/"$CLOUD"/mdev
+	. "$LIBDIR"/tiny-cloud/"$CLOUD"/mdev
 fi