diff --git a/contrib/luasocket/premake5.lua b/contrib/luasocket/premake5.lua
index f19706f4..de076191 100644
--- a/contrib/luasocket/premake5.lua
+++ b/contrib/luasocket/premake5.lua
@@ -27,4 +27,6 @@ project "luasocket-lib"
 		removefiles
 		{
 			"src/wsocket.*",
-		}
\ No newline at end of file
+		}
+		
+		defines { "LUASOCKET_API=__attribute__((visibility(\"default\")))" }
\ No newline at end of file