diff --git a/tests/data/regressions/its8444/its8444 b/tests/data/regressions/its8444/its8444
index e1ca143ab2..9b8334cea5 100755
--- a/tests/data/regressions/its8444/its8444
+++ b/tests/data/regressions/its8444/its8444
@@ -1,4 +1,4 @@
-#! /bin/sh
+#! /bin/bash
 # $OpenLDAP$
 ## This work is part of OpenLDAP Software <http://www.openldap.org/>.
 ##