diff --git a/src/Authentication/Services/SystemUserService.cs b/src/Authentication/Services/SystemUserService.cs
index 30fb4de3..0b69f897 100644
--- a/src/Authentication/Services/SystemUserService.cs
+++ b/src/Authentication/Services/SystemUserService.cs
@@ -33,7 +33,7 @@ public Task<SystemUser> CreateSystemUser(SystemUser request)
         {
             if (int.Parse(request.OwnedByPartyId) < 1)
             {
-                return null;
+                return Task.FromResult<SystemUser>(null);
             }
 
             theMockList.Add(request);
@@ -48,7 +48,7 @@ public Task<List<SystemUser>> GetListOfSystemUsersPartyHas(int partyId)
         {
             if (partyId < 1)
             {
-                return null;
+                return Task.FromResult<List<SystemUser>>(null);
             }
 
             return Task.FromResult(theMockList);