diff --git a/comptime.sh b/comptime.sh
index 71c5f08a..d5ef7271 100755
--- a/comptime.sh
+++ b/comptime.sh
@@ -1,4 +1,4 @@
-#!/bin/sh -e
+#!/bin/bash -e
 path="."
 if [ x"$1" != x ]; then
 	path="$1"