diff --git a/print-failed-test-output b/print-failed-test-output
index f095b86..68fa9ee 100644
--- a/print-failed-test-output
+++ b/print-failed-test-output
@@ -1,4 +1,6 @@
-#!/bin/sh
+#!/bin/bash
+
+shopt -s failglob
 
 # Print output from failing tests
 dashes=$(printf "%80s" '' | tr ' ' '-')