diff --git a/src/bitmessagekivy/mpybit.py b/src/bitmessagekivy/mpybit.py
index 1cff0b2e..d527d0ae 100644
--- a/src/bitmessagekivy/mpybit.py
+++ b/src/bitmessagekivy/mpybit.py
@@ -88,14 +88,8 @@ class NavigateApp(MDApp):
     identity_list = get_identity_list()
     image_path = load_image_path()
     app_platform = platform
-    kivy_state.screen_density = Window.size
-    window_size = kivy_state.screen_density
     tr = Lang("en")  # for changing in franch replace en with fr
 
-    if os.environ.get('INSTALL_TESTS', False):
-        # Set kivy app resolution while running kivy tests
-        window_size = (720, 1280)
-
     def __init__(self):
         super(NavigateApp, self).__init__()
         # workaround for relative imports
@@ -103,6 +97,8 @@ class NavigateApp(MDApp):
         self.data_screens, self.all_data, self.data_screen_dict, response = load_screen_json()
         self.kivy_state_obj = KivyStateVariables()
         self.image_dir = load_image_path()
+        self.kivy_state_obj.screen_density = Window.size
+        self.window_size = self.kivy_state_obj.screen_density
 
     def build(self):
         """Method builds the widget"""
diff --git a/src/mock/kivy_main.py b/src/mock/kivy_main.py
index 0cffb9cf..e0bf587d 100644
--- a/src/mock/kivy_main.py
+++ b/src/mock/kivy_main.py
@@ -1,13 +1,24 @@
+# pylint: disable=unused-import, wrong-import-position, ungrouped-imports
+# flake8: noqa:E401, E402
+
 """Mock kivy app with mock threads."""
-# pylint: disable=unused-import
-# flake8: noqa:E401
-
-from pybitmessage import state
-from pybitmessage.bitmessagekivy.mpybit import NavigateApp
 
+import os
+from kivy.config import Config
 import multiqueue
-from class_addressGenerator import FakeAddressGenerator
-from pybitmessage.mock.network import stats, objectracker
+from pybitmessage import state
+
+if os.environ.get('INSTALL_TESTS', False):
+    Config.set('graphics', 'height', 1280)
+    Config.set('graphics', 'width', 720)
+    Config.set('graphics', 'position', 'custom')
+    Config.set('graphics', 'top', 0)
+    Config.set('graphics', 'left', 0)
+
+
+from pybitmessage.mock.class_addressGenerator import FakeAddressGenerator  # noqa:E402
+from pybitmessage.bitmessagekivy.mpybit import NavigateApp  # noqa:E402
+from pybitmessage.mock.network import stats, objectracker  # noqa:E402
 
 
 def main():