diff --git a/source/carla_app.py b/source/carla_app.py
index c68fdc1d7..f52074791 100644
--- a/source/carla_app.py
+++ b/source/carla_app.py
@@ -50,7 +50,7 @@ class CarlaApplication(object):
             QApplication.addLibraryPath(CWD)
 
         # Needed for local wine build
-        if WINDOWS and (CWD.endswith("source") or os.getenv("CXFREEZE") is not None):
+        if WINDOWS and CWD.endswith("source") and os.getenv("CXFREEZE") is None:
             QApplication.addLibraryPath("C:\\Python34\\Lib\\site-packages\\PyQt5\\plugins")
 
         # Use binary dir as library path (except in Windows)