diff --git a/src/luaconf.h b/src/luaconf.h
index d9cf18c..222eaf8 100644
--- a/src/luaconf.h
+++ b/src/luaconf.h
@@ -216,16 +216,28 @@
 #define LUA_LDIR	LUA_ROOT "share/lua/" LUA_VDIR "/"
 #define LUA_CDIR	LUA_ROOT "lib/lua/" LUA_VDIR "/"
 
+#define LUA_VENDOR_ROOT	"/usr/"
+/* Path for version-specific Lua modules. */
+#define LUA_VENDOR_LDIR	LUA_VENDOR_ROOT "share/lua/" LUA_VDIR "/"
+/* Path for Lua modules that are compatible with Lua 5.1 and newer. */
+#define LUA_VENDOR_COMMON_LDIR LUA_VENDOR_ROOT "share/lua/common/"
+#define LUA_VENDOR_CDIR	LUA_VENDOR_ROOT "lib/lua/" LUA_VDIR "/"
+
 #if !defined(LUA_PATH_DEFAULT)
 #define LUA_PATH_DEFAULT  \
 		LUA_LDIR"?.lua;"  LUA_LDIR"?/init.lua;" \
 		LUA_CDIR"?.lua;"  LUA_CDIR"?/init.lua;" \
-		"./?.lua;" "./?/init.lua"
+		LUA_VENDOR_LDIR"?.lua;"  LUA_VENDOR_LDIR"?/init.lua;" \
+		LUA_VENDOR_CDIR"?.lua;"  LUA_VENDOR_CDIR"?/init.lua;" \
+		LUA_VENDOR_COMMON_LDIR"?.lua;"  LUA_VENDOR_COMMON_LDIR"?/init.lua;" \
+		"./?.lua;" "./?/init.lua" 
 #endif
 
 #if !defined(LUA_CPATH_DEFAULT)
 #define LUA_CPATH_DEFAULT \
-		LUA_CDIR"?.so;" LUA_CDIR"loadall.so;" "./?.so"
+		LUA_CDIR"?.so;" LUA_CDIR"loadall.so;" \
+		LUA_VENDOR_CDIR"?.so;" LUA_VENDOR_CDIR"loadall.so;" \
+		"./?.so"
 #endif
 
 #endif			/* } */