diff --git a/src/lang/chuvash.txt b/src/lang/chuvash.txt
--- a/src/lang/chuvash.txt
+++ b/src/lang/chuvash.txt
@@ -3,8 +3,8 @@
 ##isocode cv_RU
 ##plural 0
 ##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}k|6=00{NBSP}000{NBSP}000{NBSP}000{NBSP}000{NBSP}m|9=00{NBSP}000{NBSP}000{NBSP}000{NBSP}bn|12=00{NBSP}000{NBSP}000{NBSP}tn|15=00{NBSP}000{NBSP}Qa|18=00{NBSP}Qi
+##digitsep {NBSP}
+##digitsepcur {NBSP}
 ##decimalsep ,
 ##winlangid 0x0419
 ##grflangid 0x0b