diff --git a/src/lang/czech.txt b/src/lang/czech.txt
--- a/src/lang/czech.txt
+++ b/src/lang/czech.txt
@@ -3,8 +3,8 @@
 ##isocode cs_CZ
 ##plural 10
 ##textdir ltr
-##numberformat 00{NBSP}000{NBSP}000{NBSP}000{NBSP}000{NBSP}000{NBSP}000
-##numberabbreviations 3=00{NBSP}000{NBSP}000{NBSP}000{NBSP}000{NBSP}000{NBSP}tis.|6=00{NBSP}000{NBSP}000{NBSP}000{NBSP}000{NBSP}mil.|9=00{NBSP}000{NBSP}000{NBSP}000{NBSP}mld.|12=00{NBSP}000{NBSP}000{NBSP}bil.|15=00{NBSP}000{NBSP}Qa|18=00{NBSP}Qi
+##digitsep {NBSP}
+##digitsepcur {NBSP}
 ##decimalsep ,
 ##winlangid 0x0405
 ##grflangid 0x15