diff --git a/Telephony/MTK-IMS/AndroidManifest.xml b/Telephony/MTK-IMS/AndroidManifest.xml
index 5afe885..1280395 100644
--- a/Telephony/MTK-IMS/AndroidManifest.xml
+++ b/Telephony/MTK-IMS/AndroidManifest.xml
@@ -3,6 +3,8 @@
         android:versionCode="1"
         android:versionName="1.0">
         <overlay android:targetPackage="com.android.phone"
-		android:priority="79"
-		/>
+            android:priority="79"
+            android:requiredSystemPropertyName="persist.sys.phh.ims.mtk"
+            android:requiredSystemPropertyValue="true"
+            android:isStatic="true"/>
 </manifest>