diff --git a/test.ecm b/test.ecm
index f99cf16485833de6b75534da1c24b9a330e747c8..e2f6176dc950b9813201ea5ec1f02088d0d0013a 100755
--- a/test.ecm
+++ b/test.ecm
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # test file for ECM
 #
diff --git a/test.ecmfactor b/test.ecmfactor
index 43b5520129f18ad3b05bda1cf6235bc355f01995..d1cf7424d7ca4635e22e6008c3b82feb5620efff 100755
--- a/test.ecmfactor
+++ b/test.ecmfactor
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # test file for ecmfactor
 #