diff --git a/test/test-main.c b/test/test-main.c
index 90a324b..7a38716 100644
--- a/test/test-main.c
+++ b/test/test-main.c
@@ -47,6 +47,7 @@
 	uts->force_fail_alloc = false;
 	uts->skip_post_probe = false;
 	gd->dm_root = NULL;
+	malloc_disable_testing();
 	if (CONFIG_IS_ENABLED(UT_DM) && !CONFIG_IS_ENABLED(OF_PLATDATA))
 		memset(dm_testdrv_op_count, '\0', sizeof(dm_testdrv_op_count));
 	arch_reset_for_test();