diff --git a/program_info/macos_signature.sh b/program_info/macos_signature.sh
index a4341afbe..a16ce7cd1 100755
--- a/program_info/macos_signature.sh
+++ b/program_info/macos_signature.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env zsh
+#!/usr/bin/env sh
 
 # Run this script from the directory containing "PrismLauncher.app"