diff --git a/Foxnouns.Backend/Controllers/MembersController.cs b/Foxnouns.Backend/Controllers/MembersController.cs
index 22d23d4..ba9cf28 100644
--- a/Foxnouns.Backend/Controllers/MembersController.cs
+++ b/Foxnouns.Backend/Controllers/MembersController.cs
@@ -94,6 +94,7 @@ public class MembersController(
             Names = req.Names ?? [],
             Pronouns = req.Pronouns ?? [],
             Unlisted = req.Unlisted ?? false,
+            Sid = null!,
         };
         db.Add(member);
 
diff --git a/Foxnouns.Backend/Services/Auth/AuthService.cs b/Foxnouns.Backend/Services/Auth/AuthService.cs
index 9675f22..adbf5b1 100644
--- a/Foxnouns.Backend/Services/Auth/AuthService.cs
+++ b/Foxnouns.Backend/Services/Auth/AuthService.cs
@@ -45,6 +45,7 @@ public class AuthService(
                 },
             },
             LastActive = clock.GetCurrentInstant(),
+            Sid = null!,
         };
 
         db.Add(user);
@@ -88,6 +89,7 @@ public class AuthService(
                 },
             },
             LastActive = clock.GetCurrentInstant(),
+            Sid = null!,
         };
 
         db.Add(user);