diff --git a/scripts/ac_mkbuilddir.sh b/scripts/ac_mkbuilddir.sh
index 2874168..da5bc1a 100755
--- a/scripts/ac_mkbuilddir.sh
+++ b/scripts/ac_mkbuilddir.sh
@@ -5,6 +5,8 @@ then
        exit 1
 fi
 
+# Exit if any of the following commands fail
+set -e
 
 TIARA_SETUP_DEFAULT=""
 DOUBLE_DEFAULT="OFF"