2 files changed, 9 insertions, 0 deletions
diff --git a/tests-clar/notes/notes.c b/tests-clar/notes/notes.c
index dfd7f5231..706bc03ce 100644
--- a/tests-clar/notes/notes.c
+++ b/tests-clar/notes/notes.c
@@ -12,6 +12,8 @@ void test_notes_notes__initialize(void)
 void test_notes_notes__cleanup(void)
 {
 	git_signature_free(_sig);
+	_sig = NULL;
+
 	cl_git_sandbox_cleanup();
 }
 
diff --git a/tests-clar/notes/notesref.c b/tests-clar/notes/notesref.c
index 79ad0afee..67c4003c6 100644
--- a/tests-clar/notes/notesref.c
+++ b/tests-clar/notes/notesref.c
@@ -16,10 +16,17 @@ void test_notes_notesref__initialize(void)
 void test_notes_notesref__cleanup(void)
 {
 	git_note_free(_note);
+	_note = NULL;
+
 	git_signature_free(_sig);
+	_sig = NULL;
+
 	git_config_free(_cfg);
+	_cfg = NULL;
 
 	git_repository_free(_repo);
+	_repo = NULL;
+
 	cl_fixture_cleanup("testrepo.git");
 }