diff --git a/share/mklocale/bg_BG.CP1251.src b/share/mklocale/bg_BG.CP1251.src
index 08fcf8b99f32..4540c47c446d 100644
--- a/share/mklocale/bg_BG.CP1251.src
+++ b/share/mklocale/bg_BG.CP1251.src
@@ -33,9 +33,11 @@ MAPLOWER       	<'a' - 'z' : 'a'>
 MAPLOWER        <0x80 0x90>
 MAPLOWER        <0x81 0x83>
 MAPLOWER        <0x83 0x83>
-MAPLOWER        <0x8a - 0x8f : 0x9a>
+MAPLOWER        <0x8a 0x9a>
+MAPLOWER        <0x8c - 0x8f : 0x9c>
 MAPLOWER        <0x90 0x90>
-MAPLOWER        <0x9a - 0x9f : 0x9a>
+MAPLOWER        <0x9a 0x9a>
+MAPLOWER        <0x9c - 0x9f : 0x9c>
 MAPLOWER        <0xa1 0xa2>
 MAPLOWER        <0xa2 0xa2>
 MAPLOWER        <0xa3 0xbc>
@@ -57,9 +59,11 @@ MAPUPPER       	<'A' - 'Z' : 'A'>
 MAPUPPER       	<'a' - 'z' : 'A'>
 MAPUPPER        <0x80 - 0x81 : 0x80>
 MAPUPPER        <0x83 0x81>
-MAPUPPER        <0x8a - 0x8f : 0x8a>
+MAPUPPER        <0x8a 0x8a>
+MAPUPPER        <0x8c - 0x8f : 0x8c>
 MAPUPPER        <0x90 0x80>
-MAPUPPER        <0x9a - 0x9f : 0x8a>
+MAPUPPER        <0x9a 0x8a>
+MAPUPPER        <0x9c - 0x9f : 0x8c>
 MAPUPPER        <0xa1 0xa1>
 MAPUPPER        <0xa2 0xa1>
 MAPUPPER        <0xa3 0xa3>