diff --git a/upload/admin/controller/user/user.php b/upload/admin/controller/user/user.php
index a8674c41bd5..475751f735f 100644
--- a/upload/admin/controller/user/user.php
+++ b/upload/admin/controller/user/user.php
@@ -476,6 +476,12 @@ protected function validateForm() {
 			}
 		}
 
+		$total_users = $this->model_user_user->getTotalUsers();
+
+		if ($total_users <= 1 && isset($this->request->post['status']) && $this->request->post['status'] == 0) {
+			$this->error['warning'] = $this->language->get('error_single_user');
+		}
+
 		return !$this->error;
 	}
 
diff --git a/upload/admin/language/en-gb/user/user.php b/upload/admin/language/en-gb/user/user.php
index 6bc6c1f25b8..7e594ca5d46 100644
--- a/upload/admin/language/en-gb/user/user.php
+++ b/upload/admin/language/en-gb/user/user.php
@@ -35,4 +35,5 @@
 $_['error_firstname']       = 'First Name must be between 1 and 32 characters!';
 $_['error_lastname']        = 'Last Name must be between 1 and 32 characters!';
 $_['error_email']           = 'E-Mail Address does not appear to be valid!';
-$_['error_exists_email']    = 'Warning: E-Mail Address is already registered!';
\ No newline at end of file
+$_['error_exists_email']    = 'Warning: E-Mail Address is already registered!';
+$_['error_single_user']     = 'Warning: You can not disable your own account!';
\ No newline at end of file