diff --git a/script/overlaybd-snapshotter.service b/script/overlaybd-snapshotter.service
index 3c3b8b09..13990b94 100644
--- a/script/overlaybd-snapshotter.service
+++ b/script/overlaybd-snapshotter.service
@@ -9,7 +9,7 @@ Conflicts=shutdown.target
 LimitNOFILE=1048576
 LimitCORE=infinity
 Type=simple
-
+ExecStartPre=/sbin/modprobe target_core_user overlay
 ExecStart=/opt/overlaybd/snapshotter/overlaybd-snapshotter
 
 GuessMainPID=no