diff --git a/O365/drive.py b/O365/drive.py
index 98adda0468960..a3af649915970 100644
--- a/O365/drive.py
+++ b/O365/drive.py
@@ -870,7 +870,7 @@ def share_with_invite(self, recipients, require_sign_in=True,
         }
         if share_type in {'view', 'read'}:
             data['roles'] = ['read']
-        elif share_type == {'edit', 'write'}:
+        elif share_type in {'edit', 'write'}:
             data['roles'] = ['write']
         else:
             raise ValueError(