diff --git a/.local/bin/tools/timer b/.local/bin/tools/timer
index 1323ca2..1170ada 100755
--- a/.local/bin/tools/timer
+++ b/.local/bin/tools/timer
@@ -1,4 +1,4 @@
-#!/bin/dash
+#!/bin/sh
 
 help="""
 usage: timer [option] [args]