--- a/tests/test-rebase-cache	Tue May 18 18:55:14 2010 +0900
+++ b/tests/test-rebase-cache	Fri May 21 20:55:18 2010 +0900
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-source $TESTDIR/helpers.sh
+. $TESTDIR/helpers.sh
 
 createrepo() {
     rm -rf repo