diff --git a/test/test_cscripts.sh.in b/test/test_cscripts.sh.in
index ce848ee..d255a11 100755
--- a/test/test_cscripts.sh.in
+++ b/test/test_cscripts.sh.in
@@ -1,4 +1,4 @@
-#! /bin/bash
+#! /bin/sh
 # ==========================================================================
 # This script tests all cscripts that are shipped with ctools
 #
diff --git a/test/test_ctools.sh b/test/test_ctools.sh
index 49133bd..99e59a1 100755
--- a/test/test_ctools.sh
+++ b/test/test_ctools.sh
@@ -1,4 +1,4 @@
-#! /bin/bash
+#! /bin/sh
 # ==========================================================================
 # This script tests all ctools
 #