diff --git a/setup.py b/setup.py
index b203964c..88ada3df 100755
--- a/setup.py
+++ b/setup.py
@@ -230,7 +230,9 @@ def qt_download_check_extract(cfg, dir_install):
 
     dir_install = args.install_path
     if not dir_install:
-        dir_install = os.path.join(tempfile.gettempdir(), "qtc_sdk")
+        dir_install = os.path.join(tempfile.gettempdir())
+
+    dir_install = os.path.join(dir_install, "qtc-sdk")
 
     os.makedirs(dir_install, exist_ok=True)