diff --git a/examples/tetris/src/model.d b/examples/tetris/src/model.d
index 4189446f..b7eee794 100644
--- a/examples/tetris/src/model.d
+++ b/examples/tetris/src/model.d
@@ -264,7 +264,7 @@ struct Cup {
                 _destroyedFullRows[i] = false;
             }
         }
-        return true;
+        return res;
     }
 
     /// check if all cells where current figire is located are free