diff --git a/install.cmd b/install.cmd
index 6192727..abfec18 100644
--- a/install.cmd
+++ b/install.cmd
@@ -15,6 +15,9 @@ for /F "tokens=*" %%F in ('chcp') do (
     for %%A in (%%F) do (set _last=%%A)
 )
 SET CP=%_last:~0%
+if "!CP:~-1!"=="." (
+    SET CP=!CP:~0,-1!
+)
 chcp 850 > NUL
 :: echo %CP%