diff --git a/tests/setup.sh b/tests/setup.sh
index 81e7220..a573444 100755
--- a/tests/setup.sh
+++ b/tests/setup.sh
@@ -16,6 +16,7 @@
 # run_test 'repo summary' 'cgit_url "/foo" | tidy -e'
 
 : ${TEST_DIRECTORY=$(pwd)/../git/t}
+: ${TEST_OUTPUT_DIRECTORY=$(pwd)}
 TEST_NO_CREATE_REPO=YesPlease
 . "$TEST_DIRECTORY"/test-lib.sh