diff --git a/setup.py b/setup.py
index 366aa20b..8ddf4d32 100755
--- a/setup.py
+++ b/setup.py
@@ -196,8 +196,8 @@ elif sys.platform=='win32':
             'ships.p',
             'stations.p',
             'systems.p',
-            f'{appname}.VisualElementsManifest.xml',
-            f'{appname}.ico',
+            '%s.VisualElementsManifest.xml' % APPNAME,
+            '%s.ico' % APPNAME,
             'EDMarketConnector - TRACE.bat',
             'EDMarketConnector - localserver-auth.bat',
         ]),