diff --git a/frappe/data/languages.txt b/frappe/data/languages.txt
index 616c444e77..638dcd44cc 100644
--- a/frappe/data/languages.txt
+++ b/frappe/data/languages.txt
@@ -2,7 +2,7 @@ ar	العربية
 bg	bǎlgarski
 bs	bosanski
 ca	català
-cz	česky
+cs	česky
 da	dansk
 de	deutsch
 el	ελληνικά
diff --git a/frappe/translations/cz.csv b/frappe/translations/cs.csv
similarity index 100%
rename from frappe/translations/cz.csv
rename to frappe/translations/cs.csv