diff --git a/server/test/orcasite_web/graphql/accounts_test.exs b/server/test/orcasite_web/graphql/accounts_test.exs
index ec065cfa..87167f65 100644
--- a/server/test/orcasite_web/graphql/accounts_test.exs
+++ b/server/test/orcasite_web/graphql/accounts_test.exs
@@ -8,6 +8,7 @@ defmodule OrcasiteWeb.GraphqlTest.AccountsTest do
 
   @user_params %{
     email: "nonadmin@example.com",
+    username: "nonadmin",
     password: "password",
     password_confirmation: "password",
     first_name: "Non",
diff --git a/server/test/orcasite_web/graphql/moderator_test.exs b/server/test/orcasite_web/graphql/moderator_test.exs
index 660ed869..b0015859 100644
--- a/server/test/orcasite_web/graphql/moderator_test.exs
+++ b/server/test/orcasite_web/graphql/moderator_test.exs
@@ -5,12 +5,14 @@ defmodule OrcasiteWeb.ModeratorTest do
 
   @moderator_params %{
     email: "moderator@example.com",
+    username: "moderator",
     password: "password",
     password_confirmation: "password"
   }
 
   @user_params %{
     email: "user@example.com",
+    username: "user",
     password: "password",
     password_confirmation: "password"
   }
diff --git a/server/test/support/authentication_helper.ex b/server/test/support/authentication_helper.ex
index 870b25f7..0fbae469 100644
--- a/server/test/support/authentication_helper.ex
+++ b/server/test/support/authentication_helper.ex
@@ -33,6 +33,7 @@ defmodule OrcasiteWeb.TestSupport.AuthenticationHelper do
   end
 
   def register_user(conn, %{
+        username: username,
         email: email,
         password: password,
         first_name: first_name,
@@ -42,6 +43,7 @@ defmodule OrcasiteWeb.TestSupport.AuthenticationHelper do
       "query" => register_mutation(),
       "variables" => %{
         "email" => email,
+        "username" => username,
         "password" => password,
         "passwordConfirmation" => password,
         "firstName" => first_name,
diff --git a/server/test/support/graphql_helper.ex b/server/test/support/graphql_helper.ex
index dc60ff29..16a1adb9 100644
--- a/server/test/support/graphql_helper.ex
+++ b/server/test/support/graphql_helper.ex
@@ -3,6 +3,7 @@ defmodule OrcasiteWeb.TestSupport.GraphqlHelper do
     """
       mutation registerWithPassword(
         $email: String!,
+        $username: String!,
         $firstName: String,
         $lastName: String,
         $password: String!,
@@ -10,6 +11,7 @@ defmodule OrcasiteWeb.TestSupport.GraphqlHelper do
       ) {
         registerWithPassword(input: {
           email: $email,
+          username: $username,
           firstName: $firstName,
           lastName: $lastName,
           password: $password,