diff --git a/Bindings/mfd/rockchip,rk818.yaml b/Bindings/mfd/rockchip,rk818.yaml
index fd4b9de..90d944c 100644
--- a/Bindings/mfd/rockchip,rk818.yaml
+++ b/Bindings/mfd/rockchip,rk818.yaml
@@ -101,7 +101,7 @@
     patternProperties:
       "^(DCDC_REG[1-4]|DCDC_BOOST|LDO_REG[1-9]|SWITCH_REG|HDMI_SWITCH|OTG_SWITCH)$":
         type: object
-        $ref: ../regulator/regulator.yaml#
+        $ref: /schemas/regulator/regulator.yaml#
         unevaluatedProperties: false
     unevaluatedProperties: false