diff --git a/SimConnect/SimConnect.py b/SimConnect/SimConnect.py
index 89eae8b5..1531c844 100644
--- a/SimConnect/SimConnect.py
+++ b/SimConnect/SimConnect.py
@@ -8,7 +8,7 @@
 import os
 import threading
 
-_library_path = os.path.abspath(__file__).replace(".py", ".dll")
+_library_path = os.path.splitext(os.path.abspath(__file__))[0] + '.dll'
 
 LOGGER = logging.getLogger(__name__)