diff --git a/app/src/main/java/org/secuso/privacyfriendlysudoku/ui/CreateSudokuActivity.java b/app/src/main/java/org/secuso/privacyfriendlysudoku/ui/CreateSudokuActivity.java
index d1603ec..8fc014f 100644
--- a/app/src/main/java/org/secuso/privacyfriendlysudoku/ui/CreateSudokuActivity.java
+++ b/app/src/main/java/org/secuso/privacyfriendlysudoku/ui/CreateSudokuActivity.java
@@ -131,6 +131,7 @@ public class CreateSudokuActivity extends BaseActivity implements IFinalizeDialo
             Toast.makeText(CreateSudokuActivity.this, R.string.finished_verifying_custom_sudoku_toast, Toast.LENGTH_LONG).show();
             final Intent intent = new Intent(this, GameActivity.class);
             intent.setData(Uri.parse(GameActivity.URL_SCHEME_WITHOUT_HOST + "://" + boardContent));
+            intent.putExtra("isCustom", true);
             startActivity(intent);
             finish();
         } else {