diff --git a/drivers/video/rockchip/rk_vop.c b/drivers/video/rockchip/rk_vop.c
index bc02f800dc..c12c24b18d 100644
--- a/drivers/video/rockchip/rk_vop.c
+++ b/drivers/video/rockchip/rk_vop.c
@@ -244,7 +244,7 @@ int rk_display_init(struct udevice *dev, ulong fbbase,
 	ret = clk_get_by_index(dev, 1, &clk);
 	if (!ret)
 		ret = clk_set_rate(&clk, timing.pixelclock.typ);
-	if (ret) {
+	if (IS_ERR_VALUE(ret)) {
 		debug("%s: Failed to set pixel clock: ret=%d\n", __func__, ret);
 		return ret;
 	}