diff --git a/drivers/clk/clk-wm831x.c b/drivers/clk/clk-wm831x.c
index 0621fbfb4beb..a47960aacfa5 100644
--- a/drivers/clk/clk-wm831x.c
+++ b/drivers/clk/clk-wm831x.c
@@ -97,7 +97,8 @@ static int wm831x_fll_prepare(struct clk_hw *hw)
 	if (ret != 0)
 		dev_crit(wm831x->dev, "Failed to enable FLL: %d\n", ret);
 
-	usleep_range(2000, 2000);
+	/* wait 2-3 ms for new frequency taking effect */
+	usleep_range(2000, 3000);
 
 	return ret;
 }