diff --git a/src/locales/de/trainer-names.json b/src/locales/de/trainer-names.json
index 0fcb5ed508f..e3430f2b283 100644
--- a/src/locales/de/trainer-names.json
+++ b/src/locales/de/trainer-names.json
@@ -156,7 +156,7 @@
   "lusamine": "Samantha",
   "guzma": "Bromley",
   "rose": "Rose",
-  "cassiopeia": "Cassiopeia",
+  "cassiopeia": "Cosima",
 
   "blue_red_double": "Blau & Rot",
   "red_blue_double": "Rot & Blau",