diff --git a/app/build.gradle b/app/build.gradle
index 46a9c33a..4d46ddeb 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -68,7 +68,7 @@ android {
             shrinkResources false
             minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
-            applicationIdSuffix ".modify"
+            applicationIdSuffix ".x"
         }
         if (signSupport) {
             println('sign support')