diff --git a/config/de/categories.yml b/config/de/categories.yml
index 64d3215f2b..b6ca9de0de 100644
--- a/config/de/categories.yml
+++ b/config/de/categories.yml
@@ -110,3 +110,9 @@ Shopping List:
   name: Einkaufsliste
 Recipe Manager:
   name: Rezeptmanager
+Forum:
+  name: Forum
+Habit Tracker:
+  name: Gewohnheitstracker
+Music Practice Tool:
+  name: Musikübungstool