diff --git a/hooks/4-booster-setup.chroot b/hooks/4-booster-setup.chroot
index 322425b..6ad0d6f 100755
--- a/hooks/4-booster-setup.chroot
+++ b/hooks/4-booster-setup.chroot
@@ -7,7 +7,7 @@ mkdir -p /usr/share/booster/hooks-late
 # Create Early hook
 touch /usr/share/booster/hooks-early/pika_live.sh
 tee /usr/share/booster/hooks-early/pika_live.sh <<'EOF'
-#! /bin/sh
+#! /bin/bash
 
 set -e