diff --git a/native-messaging/check_config_win.py b/native-messaging/check_config_win.py
index d1d0ae3d..bf9e1b5b 100755
--- a/native-messaging/check_config_win.py
+++ b/native-messaging/check_config_win.py
@@ -45,7 +45,7 @@
 py_lines = open(bat_path, 'r').readlines()
 py_path = None
 for line in py_lines:
-    if line.startswith('call python '):
+    if line.startswith('call python3 '):
         py_path = line[12:].replace('\\\\', '\\').strip()
 
 if not py_path: