diff --git a/setup.py b/setup.py
index c445bdd..aa3fb32 100755
--- a/setup.py
+++ b/setup.py
@@ -41,5 +41,5 @@ else:
 		version=ver,
 		packages=packages		
 		)
-	if os.path.exists('setup.py'):
+	if os.path.exists("setup.py") and os.path.exists("build"):
 		shutil.rmtree("build")