diff --git a/serendipity_plugin_loginform/serendipity_plugin_loginform.php b/serendipity_plugin_loginform/serendipity_plugin_loginform.php
index 5de5f3d7..2b21f957 100644
--- a/serendipity_plugin_loginform/serendipity_plugin_loginform.php
+++ b/serendipity_plugin_loginform/serendipity_plugin_loginform.php
@@ -5,13 +5,7 @@ if (IN_serendipity !== true) {
     die ("Don't hack!");
 }
 
-// Probe for a language include with constants. Still include defines later on, if some constants were missing
-$probelang = dirname(__FILE__) . '/' . $serendipity['charset'] . 'lang_' . $serendipity['lang'] . '.inc.php';
-if (file_exists($probelang)) {
-    include $probelang;
-}
-
-include dirname(__FILE__) . '/lang_en.inc.php';
+@serendipity_plugin_api::load_language(dirname(__FILE__));
 
 class serendipity_plugin_loginform extends serendipity_plugin {
     function introspect(&$propbag)
diff --git a/serendipity_plugin_photoblog/serendipity_plugin_photoblog.php b/serendipity_plugin_photoblog/serendipity_plugin_photoblog.php
index e6d87f4c..df1fcf79 100644
--- a/serendipity_plugin_photoblog/serendipity_plugin_photoblog.php
+++ b/serendipity_plugin_photoblog/serendipity_plugin_photoblog.php
@@ -5,13 +5,7 @@ if (IN_serendipity !== true) {
 }
 
 
-// Probe for a language include with constants. Still include defines later on, if some constants were missing
-$probelang = dirname(__FILE__) . '/' . $serendipity['charset'] . 'lang_' . $serendipity['lang'] . '.inc.php';
-if (file_exists($probelang)) {
-    include $probelang;
-}
-
-include dirname(__FILE__) . '/lang_en.inc.php';
+@serendipity_plugin_api::load_language(dirname(__FILE__));
 
 class serendipity_plugin_photoblog extends serendipity_plugin {
 
diff --git a/serendipity_plugin_pollbox/common.inc.php b/serendipity_plugin_pollbox/common.inc.php
index aaa5dac1..6a052745 100644
--- a/serendipity_plugin_pollbox/common.inc.php
+++ b/serendipity_plugin_pollbox/common.inc.php
@@ -4,13 +4,7 @@ if (IN_serendipity !== true) {
     die ("Don't hack!");
 }
 
-// Probe for a language include with constants. Still include defines later on, if some constants were missing
-$probelang = dirname(__FILE__) . '/' . $serendipity['charset'] . 'lang_' . $serendipity['lang'] . '.inc.php';
-if (file_exists($probelang)) {
-    include $probelang;
-}
-
-include dirname(__FILE__) . '/lang_en.inc.php';
+@serendipity_plugin_api::load_language(dirname(__FILE__));
 
 class serendipity_common_pollbox {
     var $poll = array();
diff --git a/serendipity_plugin_twitter/serendipity_event_twitter.php b/serendipity_plugin_twitter/serendipity_event_twitter.php
index 8ab0c081..16de5e53 100644
--- a/serendipity_plugin_twitter/serendipity_event_twitter.php
+++ b/serendipity_plugin_twitter/serendipity_event_twitter.php
@@ -6,15 +6,9 @@ if (IN_serendipity !== true) {
     die ("Don't hack!");
 }
 
-// Probe for a language include with constants. Still include defines later on, if some constants were missing
-$probelang = dirname(__FILE__) . '/' . $serendipity['charset'] . 'lang_' . $serendipity['lang'] . '.inc.php';
-if (file_exists($probelang)) {
-    include $probelang;
-}
+@serendipity_plugin_api::load_language(dirname(__FILE__));
 
-include dirname(__FILE__) . '/lang_en.inc.php';
-
-include dirname(__FILE__) . '/plugin_version.inc.php';
+include_once dirname(__FILE__) . '/plugin_version.inc.php';
 
 require_once dirname(__FILE__) . '/classes/Twitter.php';
 require_once dirname(__FILE__) . '/classes/TwitterOAuthApi.php';