diff --git a/screendumpLowFrame/layout/DEBIAN/postrm b/screendumpLowFrame/layout/DEBIAN/postrm
index ab06c08..e5f27c3 100644
--- a/screendumpLowFrame/layout/DEBIAN/postrm
+++ b/screendumpLowFrame/layout/DEBIAN/postrm
@@ -1,5 +1,5 @@
-#!/bin/bash
+#!/bin/sh
 
 launchctl unload //Library/LaunchDaemons/com.julioverne.screendumpd.plist
 
-exit 0;
\ No newline at end of file
+exit 0;