diff --git a/cwl_airflow/app/app.py b/cwl_airflow/app/app.py
index ba07a45..c18de50 100644
--- a/cwl_airflow/app/app.py
+++ b/cwl_airflow/app/app.py
@@ -7,7 +7,6 @@
 
 class App(toga.App):
 
-    __airflow_home_default = "~/airflow"
     __launcher = None
 
     def load(self, widget):
@@ -18,7 +17,7 @@ def unload(self, widget):
 
     def startup(self):
         # Create Launcher
-        self.__launcher = Launcher(self.__airflow_home_default)
+        self.__launcher = Launcher(os.environ.get("AIRFLOW_HOME"))
         self.__launcher.configure()
 
         # Create a main window with a name matching the app