diff --git a/scripts/configure_ubuntu.sh b/scripts/configure_ubuntu.sh
index 3817997..848cf63 100755
--- a/scripts/configure_ubuntu.sh
+++ b/scripts/configure_ubuntu.sh
@@ -1,4 +1,5 @@
-#!/bin/bash
+#!/bin/sh
+set -e
 
 #assumes a somewhat recent 64-bit ubuntu
 
diff --git a/scripts/macos_post_build.sh b/scripts/macos_post_build.sh
old mode 100644
new mode 100755
index d69da0b..1db8c03
--- a/scripts/macos_post_build.sh
+++ b/scripts/macos_post_build.sh
@@ -1,4 +1,5 @@
-#!/bin/bash
+#!/bin/sh
+set -e
 
 DST_FOLDER="./bin/Attorney_Online.app/Contents/Frameworks"