diff --git a/.github/osia_convert.rb b/.github/osia_convert.rb
index 66b439cf..e1539f03 100644
--- a/.github/osia_convert.rb
+++ b/.github/osia_convert.rb
@@ -121,7 +121,7 @@ end
 
 def output_flag(lang)
   case lang
-  when 'ger'
+  when 'deu'
     '🇩🇪'
   when 'jpn'
     '🇯🇵'
diff --git a/contents.json b/contents.json
index 329e50bc..63e7ba52 100644
--- a/contents.json
+++ b/contents.json
@@ -5203,7 +5203,7 @@
         "apple-tv"
       ],
       "description": "Watch Public German Broadcast/TV company streams",
-      "lang": "ger",
+      "lang": "deu",
       "license": "gpl-2.0",
       "source": "https://github.com/omichde/Telemat-tvOS",
       "stars": 4,