diff --git a/app/coffee/modules/base/http.coffee b/app/coffee/modules/base/http.coffee
index e8847601..25e49e7d 100644
--- a/app/coffee/modules/base/http.coffee
+++ b/app/coffee/modules/base/http.coffee
@@ -22,9 +22,9 @@
 taiga = @.taiga
 
 class HttpService extends taiga.Service
-    @.$inject = ["$http", "$q", "$tgStorage", "$rootScope", "$cacheFactory"]
+    @.$inject = ["$http", "$q", "$tgStorage", "$rootScope", "$cacheFactory", "$translate"]
 
-    constructor: (@http, @q, @storage, @rootScope, @cacheFactory) ->
+    constructor: (@http, @q, @storage, @rootScope, @cacheFactory, @translate) ->
         super()
 
         @.cache = @cacheFactory("httpget");
@@ -37,7 +37,7 @@ class HttpService extends taiga.Service
             headers["Authorization"] = "Bearer #{token}"
 
         # Accept-Language
-        lang = @rootScope.user?.lang
+        lang = @rootScope.user?.lang || @translate.preferredLanguage()
         if lang
             headers["Accept-Language"] = lang
 
diff --git a/app/coffee/modules/user-settings/main.coffee b/app/coffee/modules/user-settings/main.coffee
index 5e8c0427..d4cd6671 100644
--- a/app/coffee/modules/user-settings/main.coffee
+++ b/app/coffee/modules/user-settings/main.coffee
@@ -96,6 +96,7 @@ UserProfileDirective = ($confirm, $auth, $repo, $translate) ->
 
             changeEmail = $scope.user.isAttributeModified("email")
             $scope.user.lang = $scope.lang
+            $translate.preferredLanguage($scope.lang)
 
             onSuccess = (data) =>
                 $auth.setUser(data)