diff --git a/t/t8001-annotate.sh b/t/t8001-annotate.sh
index eabec2e..45cb60e 100755
--- a/t/t8001-annotate.sh
+++ b/t/t8001-annotate.sh
@@ -4,7 +4,7 @@
 . ./test-lib.sh
 
 PROG='git annotate'
-. ../annotate-tests.sh
+. "$TEST_DIRECTORY"/annotate-tests.sh
 
 test_expect_success \
     'Annotating an old revision works' \