diff --git a/do_benchmarks.bash b/do_benchmarks.bash
index e54b22a..fee1144 100755
--- a/do_benchmarks.bash
+++ b/do_benchmarks.bash
@@ -1,6 +1,7 @@
 #! /bin/bash
 
 set -x
+set -e
 shopt -s expand_aliases
 
 rm -f fifo;