diff --git a/pckcfg.sh b/pckcfg.sh
index d0642cc..88bdb9a 100755
--- a/pckcfg.sh
+++ b/pckcfg.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # Should be run by go generate. DO NOT run it directly.
 
 files=()