diff --git a/TWLight/users/models.py b/TWLight/users/models.py
index b0f88b75f..cb0ab16c5 100644
--- a/TWLight/users/models.py
+++ b/TWLight/users/models.py
@@ -705,7 +705,7 @@ def check_sub(self, wp_sub):
         Verifies that the supplied Global Wikipedia User ID matches stored editor ID.
         Parameters
         ----------
-        wp_sub : int
+        wp_sub : str
             Global Wikipedia User ID, used for guiid parameter in globaluserinfo calls.
 
         Returns
@@ -713,7 +713,7 @@ def check_sub(self, wp_sub):
         None
         """
 
-        if self.wp_sub != wp_sub:
+        if self.wp_sub != int(wp_sub):
             raise SuspiciousOperation(
                 "Was asked to update Editor data, but the "
                 "WP sub in the identity passed in did not match the wp_sub on "