diff --git a/drivers/serial/serial_ns16550.c b/drivers/serial/serial_ns16550.c
index 4ca7444..f281f3f 100644
--- a/drivers/serial/serial_ns16550.c
+++ b/drivers/serial/serial_ns16550.c
@@ -418,6 +418,7 @@
 			ret = PTR_ERR(priv->clk);
 			goto err;
 		}
+		clk_enable(priv->clk);
 		priv->plat.clock = clk_get_rate(priv->clk);
 	}