diff --git a/ajax/ajax_accountSave.php b/ajax/ajax_accountSave.php
index 010737f2..fa5fb461 100644
--- a/ajax/ajax_accountSave.php
+++ b/ajax/ajax_accountSave.php
@@ -58,11 +58,11 @@ $accountNotes = SP\Request::analyze('notes');
 $accountUrl = SP\Request::analyze('url');
 $accountGroupEditEnabled = SP\Request::analyze('geditenabled', 0, false, 1);
 $accountUserEditEnabled = SP\Request::analyze('ueditenabled', 0, false, 1);
+$accountMainGroupId = SP\Request::analyze('mainGroupId', SP\Session::getUserGroupId());
 $accountChangesHash = SP\Request::analyze('hash');
 
 // Datos del Usuario
 $currentUserId = SP\Session::getUserId();
-$currentGroupId = SP\Session::getUserGroupId();
 
 if ($actionId === \SP\Controller\ActionsInterface::ACTION_ACC_NEW) {
     // Comprobaciones para nueva cuenta
@@ -148,7 +148,7 @@ switch ($actionId) {
         $account->setAccountIV($accounEncPassIV);
         $account->setAccountNotes($accountNotes);
         $account->setAccountUserId($currentUserId);
-        $account->setAccountUserGroupId($currentGroupId);
+        $account->setAccountUserGroupId($accountMainGroupId);
         $account->setAccountUsersId($accountOtherUsers);
         $account->setAccountUserGroupsId($accountOtherGroups);
         $account->setAccountOtherUserEdit($accountUserEditEnabled);
@@ -187,6 +187,10 @@ switch ($actionId) {
         $account->setAccountOtherUserEdit($accountUserEditEnabled);
         $account->setAccountOtherGroupEdit($accountGroupEditEnabled);
 
+        // Cambiar el grupo principal si el usuario es Admin
+        if (SP\Session::getUserIsAdminApp() || SP\Session::getUserIsAdminAcc()) {
+            $account->setAccountUserGroupId($accountMainGroupId);
+        }
 
         // Comprobar si han habido cambios
         if ($accountChangesHash == $account->calcChangesHash()) {
diff --git a/inc/Account.class.php b/inc/Account.class.php
index 4f96fdd6..83fe1a87 100644
--- a/inc/Account.class.php
+++ b/inc/Account.class.php
@@ -136,6 +136,7 @@ class Account extends AccountBase implements AccountInterface
             . 'account_url = :accountUrl,'
             . 'account_notes = :accountNotes,'
             . 'account_userEditId = :accountUserEditId,'
+            . 'account_userGroupId = :accountUserGroupId,'
             . 'account_dateEdit = NOW(),'
             . 'account_otherUserEdit = :accountOtherUserEdit,'
             . 'account_otherGroupEdit = :accountOtherGroupEdit '
@@ -148,6 +149,7 @@ class Account extends AccountBase implements AccountInterface
         $data['accountUrl'] = $this->getAccountUrl();
         $data['accountNotes'] = $this->getAccountNotes();
         $data['accountUserEditId'] = $this->getAccountUserEditId();
+        $data['accountUserGroupId'] = ($this->getAccountUserGroupId()) ? $this->getAccountUserGroupId() : 'account_userGroupId';
         $data['accountOtherUserEdit'] = intval($this->getAccountOtherUserEdit());
         $data['accountOtherGroupEdit'] = intval($this->getAccountOtherGroupEdit());
         $data['accountId'] = $this->getAccountId();
diff --git a/inc/themes/material-blue/account.inc b/inc/themes/material-blue/account.inc
index 30544e23..c525b308 100644
--- a/inc/themes/material-blue/account.inc
+++ b/inc/themes/material-blue/account.inc
@@ -199,6 +199,21 @@
                         </div>
                     </td>
                 </tr>
+                <?php if($userIsAdminApp || $userIsAdminAcc):?>
+                <tr>
+                    <td class="descField"><?php echo _('Grupo Principal'); ?></td>
+                    <td class="valField">
+                        <select id="selMainGroupId" name="mainGroupId" class="select-box sel-chosen-usergroup" required>
+                            <option value="0"></option>
+                            <?php foreach ($otherGroups as $id => $name): ?>
+                                <option
+                                    value="<?php echo $id; ?>" <?php echo ($gotData && $id == $accountData->account_userGroupId) ? 'selected' : ''; ?>><?php echo $name; ?></option>
+                            <?php endforeach; ?>
+                        </select>
+                    </td>
+                </tr>
+                <?php endif; ?>
+
             <?php endif; ?>
 
 <?php if ($showform): ?>