diff --git a/seafile/rootfs/etc/cont-init.d/99-run.sh b/seafile/rootfs/etc/cont-init.d/99-run.sh
index 73294b606..ba6069dd7 100644
--- a/seafile/rootfs/etc/cont-init.d/99-run.sh
+++ b/seafile/rootfs/etc/cont-init.d/99-run.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bashio
+# shellcheck shell=bash
 
 cp /opt/seafile/.env.example /opt/seafile/.env