diff --git a/setup.py b/setup.py
index d79abdb4c..ddb9a5c4d 100755
--- a/setup.py
+++ b/setup.py
@@ -624,7 +624,7 @@ def clean():
             ext = f.rpartition('.')[-1]
             if ext in ('so', 'dylib', 'pyc', 'pyo'):
                 os.unlink(os.path.join(root, f))
-    for x in glob.glob('glfw/*-protocol.[ch]'):
+    for x in glob.glob('glfw/wayland-*-protocol.[ch]'):
         os.unlink(x)