diff --git a/tests/narrow-library.sh b/tests/narrow-library.sh
--- a/tests/narrow-library.sh
+++ b/tests/narrow-library.sh
@@ -2,7 +2,7 @@
 [extensions]
 narrow=
 [ui]
-ssh=python "$TESTDIR/dummyssh"
+ssh=python "$RUNTESTDIR/dummyssh"
 [experimental]
 changegroup3 = True
 EOF