diff --git a/src/hlua.c b/src/hlua.c
index fe58b9d..ea800ee 100644
--- a/src/hlua.c
+++ b/src/hlua.c
@@ -7002,7 +7002,6 @@
 
 	/* Register previous table in the registry with reference and named entry. */
 	lua_pushvalue(gL.T, -1); /* Copy the -1 entry and push it on the stack. */
-	lua_pushvalue(gL.T, -1); /* Copy the -1 entry and push it on the stack. */
 	lua_setfield(gL.T, LUA_REGISTRYINDEX, CLASS_SOCKET); /* register class socket. */
 	class_socket_ref = luaL_ref(gL.T, LUA_REGISTRYINDEX); /* reference class socket. */