diff --git a/appveyor.yml b/appveyor.yml
index a7113c829..7181f7764 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -37,8 +37,8 @@ after_test:
     # .\ in the stack commandline seems to be .\windows\ (where the stack-appveyor.yaml is)
   - cd windows
   - 7z a "pandoc.zip" pandoc.exe
-  - .\pandoc.exe -s -S --toc ..\MANUAL.txt -o MANUAL.html
-  - .\pandoc.exe -s -S ..\COPYING.md -o COPYING.rtf
+  - .\pandoc.exe -s --toc ..\MANUAL.txt -o MANUAL.html
+  - .\pandoc.exe -s ..\COPYING.md -o COPYING.rtf
   - copy ..\COPYRIGHT COPYRIGHT.txt
   - |
       set VERSION=
diff --git a/windows/make-windows-installer.bat b/windows/make-windows-installer.bat
index f0c36e545..30af17d0c 100644
--- a/windows/make-windows-installer.bat
+++ b/windows/make-windows-installer.bat
@@ -2,9 +2,9 @@
 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.txt -o MANUAL.html
+%BINPATH%\pandoc.exe -s --toc ..\MANUAL.txt -o MANUAL.html
 if %errorlevel% neq 0 exit /b %errorlevel%
-%BINPATH%\pandoc.exe -s ..\COPYING.md -t rtf -S -o COPYING.rtf
+%BINPATH%\pandoc.exe -s ..\COPYING.md -t rtf -o COPYING.rtf
 if %errorlevel% neq 0 exit /b %errorlevel%
 copy ..\COPYRIGHT COPYRIGHT.txt
 for /f "tokens=1-2 delims= " %%a in ('%BINPATH%\pandoc.exe --version') do (