diff --git a/lua/lmyoslib.c b/lua/lmyoslib.c
index 65da1f4b..868fc568 100644
--- a/lua/lmyoslib.c
+++ b/lua/lmyoslib.c
@@ -157,7 +157,11 @@ static const luaL_Reg syslib[] = {
 
 
 LUALIB_API int luaopen_myos (lua_State *L) {
+#if LUA_VERSION_NUM >= 502
+  luaL_newlib(L, syslib);
+#else
   luaL_register(L, LUA_OSLIBNAME, syslib);
+#endif
   return 1;
 }
 
diff --git a/lua/lua-plugin-init.c b/lua/lua-plugin-init.c
index dfc16654..32b7957e 100644
--- a/lua/lua-plugin-init.c
+++ b/lua/lua-plugin-init.c
@@ -425,7 +425,11 @@ static const luaL_Reg imelib[] = {
 };
 
 LUALIB_API int luaopen_ime (lua_State *L) {
+#if LUA_VERSION_NUM >= 502
+  luaL_newlib(L, imelib);
+#else
   luaL_register(L, LUA_IMELIBNAME, imelib);
+#endif
   return 1;
 }