diff --git a/scripts/zmb-ad_fix_sysvol-sync b/scripts/zmb-ad_fix_sysvol-sync
index 4875105..f3faec7 100644
--- a/scripts/zmb-ad_fix_sysvol-sync
+++ b/scripts/zmb-ad_fix_sysvol-sync
@@ -1,3 +1,4 @@
+#!/bin/bash
 cat << 'EOF' > /usr/local/bin/sysvol-sync
 #!/bin/bash