diff --git a/sql/share/errmsg.txt b/sql/share/errmsg.txt
index e7e516f9844..1230287656e 100644
--- a/sql/share/errmsg.txt
+++ b/sql/share/errmsg.txt
@@ -1479,7 +1479,7 @@ ER_DUP_KEYNAME 42000 S1009
 	swe "Nyckelnamn '%-.64s' finns flera gĺnger"
 	ukr "äŐÂĚŔŔŢĹ ¦Í'Ń ËĚŔŢÁ '%-.64s'"
 ER_DUP_ENTRY 23000 S1009
-	cze "Zvojen-Bý klíč '%-.64s' (číslo klíče %d)"
+	cze "Zdvojen-Bý klíč '%-.64s' (číslo klíče %d)"
 	dan "Ens vćrdier '%-.64s' for indeks %d"
 	nla "Dubbele ingang '%-.64s' voor zoeksleutel %d"
 	eng "Duplicate entry '%-.64s' for key %d"