2 files changed, 4 insertions, 2 deletions

diff --git a/install.bat b/install.bat
index 8d8b3e4c..0f34276d 100644
--- a/install.bat
+++ b/install.bat
@@ -541,7 +541,7 @@ for _, c in ipairs{"luarocks", "luarocks-admin"} do
 @ECHO OFF

 SETLOCAL

 SET LUA_PATH=$LUADIR\?.lua;$LUADIR\?\init.lua;%LUA_PATH%

-IF NOT *%LUA_PATH_5_2%*==** (

+IF NOT "%LUA_PATH_5_2%"=="" (

    SET LUA_PATH_5_2=$LUADIR\?.lua;$LUADIR\?\init.lua;%LUA_PATH_5_2%

 )

 SET PATH=$BINDIR\;%PATH%

diff --git a/src/luarocks/fs/win32.lua b/src/luarocks/fs/win32.lua
index 2b5bb955..2bc595f6 100644
--- a/src/luarocks/fs/win32.lua
+++ b/src/luarocks/fs/win32.lua
@@ -71,7 +71,9 @@ function wrap_script(file, dest, name, version)
    wrapper:write("setlocal\n")
    wrapper:write('set LUA_PATH='..package.path..";%LUA_PATH%\n")
    wrapper:write('set LUA_CPATH='..package.cpath..";%LUA_CPATH%\n")
-   wrapper:write('"'..dir.path(cfg.variables["LUA_BINDIR"], cfg.lua_interpreter)..'" -lluarocks.loader -e\'luarocks.loader.add_context([['..name..']],[['..version..']])\' "'..file..'" %*\n')
+   wrapper:write('if not "%LUA_PATH_5_2%"=="" set LUA_PATH_5_2='..package.path..";%LUA_PATH_5_2%\n")
+   wrapper:write('if not "%LUA_CPATH_5_2%"=="" set LUA_CPATH_5_2='..package.cpath..";%LUA_CPATH_5_2%\n")
+   wrapper:write('"'..dir.path(cfg.variables["LUA_BINDIR"], cfg.lua_interpreter)..'" -lluarocks.loader -e"luarocks.loader.add_context([['..name..']],[['..version..']])" "'..file..'" %*\n')
    wrapper:write("endlocal\n")
    wrapper:close()
    return true