diff --git a/python3/vimspector/install.py b/python3/vimspector/install.py
index 3e6de8f..df03a11 100644
--- a/python3/vimspector/install.py
+++ b/python3/vimspector/install.py
@@ -20,7 +20,7 @@ import os
 def GetOS():
   if platform.system() == 'Darwin':
     return 'macos'
-  elif platform.system() == 'Winwdows':
+  elif platform.system() == 'Windows':
     return 'windows'
   else:
     return 'linux'