diff --git a/ci/win/build_for_win.bat b/ci/win/build_for_win.bat
index 0e7e584..f5ce265 100644
--- a/ci/win/build_for_win.bat
+++ b/ci/win/build_for_win.bat
@@ -44,7 +44,7 @@ if "%1"=="MinSizeRel" (
 if "%1"=="RelWithDebInfo" (
     goto build_mode_ok
 )
-echo error: unkonow build mode -- %1
+echo error: unknown build mode -- %1
 goto return
 :build_mode_ok
 
@@ -111,4 +111,4 @@ set errno=0
 
 :return
 cd %old_cd%
-exit /B %errno%
\ No newline at end of file
+exit /B %errno%