diff --git a/CHANGELOG.md b/CHANGELOG.md
index 57f8411..b4e9e18 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -56,6 +56,7 @@ v2.0
 - Fix FLEXIAPI-337 Generate the provisioning URLs based on the user space
 - Fix FLEXIAPI-326 Rework email templates and translations
 - Fix FLEXIAPI-340 Fix the space resolution when getting the realm on Accounts
+- Fix FLEXIAPI-341 Allow realm to be empty when creating a Space
 
 v1.6
 ----
diff --git a/RELEASE.md b/RELEASE.md
index 7c8af26..07c98b7 100644
--- a/RELEASE.md
+++ b/RELEASE.md
@@ -1,6 +1,5 @@
 # Releases
 
-
 All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/).
diff --git a/flexiapi/app/Http/Controllers/Admin/SpaceController.php b/flexiapi/app/Http/Controllers/Admin/SpaceController.php
index c985293..0141887 100644
--- a/flexiapi/app/Http/Controllers/Admin/SpaceController.php
+++ b/flexiapi/app/Http/Controllers/Admin/SpaceController.php
@@ -67,7 +67,7 @@ class SpaceController extends Controller
             'domain' => ['required', 'unique:spaces', new Domain()],
             'host' => 'nullable|regex:/'. Space::HOST_REGEX . '/',
             'full_host' => ['required', 'unique:spaces,host', new Domain()],
-            'account_realm' => [new Domain()],
+            'account_realm' => ['nullable', new Domain()],
         ]);
 
         $space = new Space();
diff --git a/flexiapi/app/Http/Controllers/Api/Admin/SpaceController.php b/flexiapi/app/Http/Controllers/Api/Admin/SpaceController.php
index 3e5cc6f..d8c41b3 100644
--- a/flexiapi/app/Http/Controllers/Api/Admin/SpaceController.php
+++ b/flexiapi/app/Http/Controllers/Api/Admin/SpaceController.php
@@ -42,7 +42,8 @@ class SpaceController extends Controller
             'host' => ['required', 'unique:spaces', new Domain()],
             'max_accounts' => 'nullable|integer',
             'expire_at' => 'nullable|date|after_or_equal:today',
-            'custom_provisioning_entries' => ['nullable', new Ini(Space::FORBIDDEN_KEYS)]
+            'custom_provisioning_entries' => ['nullable', new Ini(Space::FORBIDDEN_KEYS)],
+            'account_realm' => ['nullable', new Domain()],
         ]);
 
         $space = new Space;
@@ -105,6 +106,7 @@ class SpaceController extends Controller
             'max_account' => 'required|integer',
             'max_accounts' => 'required|integer',
             'expire_at' => 'nullable|date|after_or_equal:today',
+            'account_realm' => ['nullable', new Domain()],
 
             'custom_provisioning_entries' => ['nullable', new Ini(Space::FORBIDDEN_KEYS)],
             'custom_provisioning_overwrite_all' => 'required|boolean',