diff --git a/drivers/clk/clk-uclass.c b/drivers/clk/clk-uclass.c
index f186fcb..364ee92 100644
--- a/drivers/clk/clk-uclass.c
+++ b/drivers/clk/clk-uclass.c
@@ -477,7 +477,7 @@
 ulong clk_get_rate(struct clk *clk)
 {
 	const struct clk_ops *ops;
-	int ret;
+	ulong ret;
 
 	debug("%s(clk=%p)\n", __func__, clk);
 	if (!clk_valid(clk))