diff --git a/gns3server/modules/vmware/__init__.py b/gns3server/modules/vmware/__init__.py
index 187f099c..8825d853 100644
--- a/gns3server/modules/vmware/__init__.py
+++ b/gns3server/modules/vmware/__init__.py
@@ -646,6 +646,7 @@ class VMware(BaseManager):
 
         if sys.platform.startswith("win"):
             import ctypes
+            import ctypes.wintypes
             path = ctypes.create_unicode_buffer(ctypes.wintypes.MAX_PATH)
             ctypes.windll.shell32.SHGetFolderPathW(None, 5, None, 0, path)
             documents_folder = path.value