diff --git a/squirrelbattle/tests/mapgeneration_test.py b/squirrelbattle/tests/mapgeneration_test.py
index abaed1b..ed0951c 100644
--- a/squirrelbattle/tests/mapgeneration_test.py
+++ b/squirrelbattle/tests/mapgeneration_test.py
@@ -9,7 +9,10 @@ from squirrelbattle.mapgeneration import randomwalk
 
 class TestRandomWalk(unittest.TestCase):
     def setUp(self) -> None:
-        self.generator = randomwalk.Generator()
+        #we set no_lone_walls to true for 100% coverage
+        params = randomwalk.DEFAULT_PARAMS
+        params["no_lone_walls"] = True
+        self.generator = randomwalk.Generator(params = params)
 
     def test_starting(self) -> None:
         """