diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index f04b5bf..8dfbd57 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -38,7 +38,11 @@
         <activity
             android:name=".views.SigninActivity"
             android:theme="@style/AppTheme.NoActionBar">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
 
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
         </activity>
         <activity
             android:name=".views.SignupActivity"
@@ -67,11 +71,6 @@
             android:name=".views.GroupListActivity"
             android:label="グループ一覧"
             android:theme="@style/AppTheme.NoActionBar">
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
-
-                <category android:name="android.intent.category.LAUNCHER" />
-            </intent-filter>
         </activity>
     </application>