diff --git a/setup.py b/setup.py
index <HASH>..<HASH> 100755
--- a/setup.py
+++ b/setup.py
@@ -695,7 +695,7 @@ class BuildSupportMacOS(BuildSupport):
     PylonConfig = os.path.join(
         FrameworkPath,
         FrameworkName,
-        'Versions/Current/Resources/Tools/pylon-config.sh'
+        'Versions/Current/Resources/Tools/pylon-config'
         )
 
     DefineMacros = [
Fix name of python-config script on macOS. Resolves #<I>.