diff --git a/tests/libgit2/config/memory.c b/tests/libgit2/config/memory.c
index 9f533e282..2be7ba1a1 100644
--- a/tests/libgit2/config/memory.c
+++ b/tests/libgit2/config/memory.c
@@ -17,7 +17,7 @@ void test_config_memory__cleanup(void)
 static void assert_config_contains(git_config_backend *backend,
 	const char *name, const char *value)
 {
-	git_config_entry *entry;
+	git_config_entry *entry = NULL;
 	cl_git_pass(git_config_backend_get_string(&entry, backend, name));
 	cl_assert_equal_s(entry->value, value);
 }