diff --git a/windows/make-windows-installer.bat b/windows/make-windows-installer.bat
index 75fd01b4f..8bc978d6e 100644
--- a/windows/make-windows-installer.bat
+++ b/windows/make-windows-installer.bat
@@ -2,7 +2,7 @@
 stack install --test
 if %errorlevel% neq 0 exit /b %errorlevel%
 for /f "delims=" %%a in ('stack path --local-bin-path') do @set BINPATH=%%a
-%BINPATH%\pandoc.exe -s -S --toc ..\MANUAL -o MANUAL.html
+%BINPATH%\pandoc.exe -s -S --toc ..\MANUAL.txt -o MANUAL.html
 if %errorlevel% neq 0 exit /b %errorlevel%
 %BINPATH%\pandoc.exe -s ..\COPYING -t rtf -S -o COPYING.rtf
 if %errorlevel% neq 0 exit /b %errorlevel%