--- install.bat	Wed Feb 22 17:03:34 2012
+++ install-new.bat	Wed Feb 22 23:16:46 2012
@@ -182,11 +182,12 @@
       :INTERPRETER_IS_SET
       IF NOT "%LUA_LIBDIR%"=="" (
          IF EXIST %LUA_LIBDIR%\lua5.1.lib GOTO LIBDIR_IS_SET
+         IF EXIST %LUA_LIBDIR%\lua51.dll GOTO LIBDIR_IS_SET
          ECHO lua5.1.lib not found in %LUA_LIBDIR%
          GOTO ERROR
       )
       FOR %%E IN (\ \lib\ \bin\) DO (
-         IF EXIST "%CURR%%%E\lua5.1.lib" (
+         IF EXIST "%CURR%%%E\lua5.1.lib" or EXIST "%CURR%%%E\lua51.dll" (
             SET LUA_LIBDIR=%CURR%%%E
             GOTO LIBDIR_IS_SET
          )