diff --git a/drivers/clk/mediatek/clk-mux.c b/drivers/clk/mediatek/clk-mux.c
index 76f9cd039195..14e127e9a740 100644
--- a/drivers/clk/mediatek/clk-mux.c
+++ b/drivers/clk/mediatek/clk-mux.c
@@ -160,7 +160,7 @@ struct clk *mtk_clk_register_mux(const struct mtk_mux *mux,
 				 spinlock_t *lock)
 {
 	struct mtk_clk_mux *clk_mux;
-	struct clk_init_data init;
+	struct clk_init_data init = {};
 	struct clk *clk;
 
 	clk_mux = kzalloc(sizeof(*clk_mux), GFP_KERNEL);