diff --git a/rootfs/scripts/healthcheck.sh b/rootfs/scripts/healthcheck.sh
index 47dfcb3..b708f7b 100755
--- a/rootfs/scripts/healthcheck.sh
+++ b/rootfs/scripts/healthcheck.sh
@@ -1,4 +1,4 @@
-#!/command/with-contenv
+#!/command/with-contenv bash
 
 # Globals
 S6_SERVICE_ROOT="/run/service"