diff --git a/test/cmocka/src/audio/mixer/comp_mock.c b/test/cmocka/src/audio/mixer/comp_mock.c
index 5a3f22d6131e..3016c6b86afc 100644
--- a/test/cmocka/src/audio/mixer/comp_mock.c
+++ b/test/cmocka/src/audio/mixer/comp_mock.c
@@ -22,9 +22,8 @@ static struct comp_dev *mock_comp_new(const struct comp_driver *drv,
 				      const struct comp_ipc_config *config,
 				      const void *spec)
 {
-	struct comp_dev *dev = calloc(1, sizeof(struct comp_dev));
+	struct comp_dev *dev = comp_alloc(drv, sizeof(*dev));
 
-	dev->drv = drv;
 	return dev;
 }