diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 7d7607b..e0457e2 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -23,6 +23,10 @@
             </intent-filter>
         </activity>
         <activity
+            android:name=".views.SignUpActivity"
+            android:exported="false"
+            />
+        <activity
             android:name=".views.MyBookshelfActivity"
             android:exported="true">
             <intent-filter>