diff --git a/drivers/clk/versatile/clk-icst.c b/drivers/clk/versatile/clk-icst.c
index 67ccf4aa7277..f5e4c21b301f 100644
--- a/drivers/clk/versatile/clk-icst.c
+++ b/drivers/clk/versatile/clk-icst.c
@@ -107,7 +107,7 @@ static int icst_set_rate(struct clk_hw *hw, unsigned long rate,
 
 	vco = icst_hz_to_vco(icst->params, rate);
 	icst->rate = icst_hz(icst->params, vco);
-	vco_set(icst->vcoreg, icst->lockreg, vco);
+	vco_set(icst->lockreg, icst->vcoreg, vco);
 	return 0;
 }