diff --git a/ngcp-system-tests b/ngcp-system-tests
index 4697515..7005b56 100755
--- a/ngcp-system-tests
+++ b/ngcp-system-tests
@@ -1,6 +1,7 @@
 #!/bin/bash
 
 set -e
+set -E
 
 declare -r ME="$(basename "$0")"
 declare -r OPTS=("$@")