diff --git a/6.6/target/linux/mediatek/dts/mt7981b-zbt-z8102ax.dtsi b/6.6/target/linux/mediatek/dts/mt7981b-zbt-z8102ax.dtsi
index 75dd2b27..ad7468c9 100644
--- a/6.6/target/linux/mediatek/dts/mt7981b-zbt-z8102ax.dtsi
+++ b/6.6/target/linux/mediatek/dts/mt7981b-zbt-z8102ax.dtsi
@@ -113,14 +113,14 @@
 
 		sim1 {
 			gpio-export,name = "sim1";
-			gpio-export,output = <1>;
-			gpios = <&pio 6 GPIO_ACTIVE_HIGH>;
+			gpio-export,output = <0>;
+			gpios = <&pio 6 GPIO_ACTIVE_LOW>;
 		};
 
 		sim2 {
 			gpio-export,name = "sim2";
-			gpio-export,output = <1>;
-			gpios = <&pio 7 GPIO_ACTIVE_HIGH>;
+			gpio-export,output = <0>;
+			gpios = <&pio 7 GPIO_ACTIVE_LOW>;
 		};
 	};
 };