diff --git a/build_scripts/Windows-msys2/build/build.bat b/build_scripts/Windows-msys2/build/build.bat
index 4dafe0d6d..6dc9d8503 100644
--- a/build_scripts/Windows-msys2/build/build.bat
+++ b/build_scripts/Windows-msys2/build/build.bat
@@ -18,7 +18,10 @@ if errorlevel 2 exit /B 2
 if errorlevel 1 goto error_env
 
 :: Install needed things
-%EnvMSYS2Cmd% "pacman --noconfirm --needed -S make git mingw-w64-%RsMSYS2Architecture%-toolchain mingw-w64-%RsMSYS2Architecture%-qt5 mingw-w64-%RsMSYS2Architecture%-miniupnpc mingw-w64-%RsMSYS2Architecture%-sqlcipher mingw-w64-%RsMSYS2Architecture%-xapian-core mingw-w64-%RsMSYS2Architecture%-cmake mingw-w64-%RsMSYS2Architecture%-rapidjson"
+%EnvMSYS2Cmd% "pacman --noconfirm --needed -S make git mingw-w64-%RsMSYS2Architecture%-toolchain mingw-w64-%RsMSYS2Architecture%-qt5 mingw-w64-%RsMSYS2Architecture%-miniupnpc mingw-w64-%RsMSYS2Architecture%-sqlcipher mingw-w64-%RsMSYS2Architecture%-xapian-core mingw-w64-%RsMSYS2Architecture%-cmake"
+
+:: Webui
+if "%ParamWebui%"=="1" %EnvMSYS2Cmd% "pacman --noconfirm --needed -S mingw-w64-%RsMSYS2Architecture%-doxygen mingw-w64-%RsMSYS2Architecture%-rapidjson"
 
 :: Plugins
 if "%ParamPlugins%"=="1" %EnvMSYS2Cmd% "pacman --noconfirm --needed -S mingw-w64-%RsMSYS2Architecture%-speex mingw-w64-%RsMSYS2Architecture%-speexdsp mingw-w64-%RsMSYS2Architecture%-curl mingw-w64-%RsMSYS2Architecture%-libxslt mingw-w64-%RsMSYS2Architecture%-opencv mingw-w64-%RsMSYS2Architecture%-ffmpeg"