1 files changed, 2 insertions, 1 deletions

diff --git a/src/select.c b/src/select.c
index 9769667..8590b96 100644
--- a/src/select.c
+++ b/src/select.c
@@ -42,7 +42,7 @@ static luaL_reg func[] = {
 /*-------------------------------------------------------------------------*\
 * Initializes module
 \*-------------------------------------------------------------------------*/
-void select_open(lua_State *L)
+int select_open(lua_State *L)
 {
     /* get select auxiliar lua function from lua code and register
     * pass it as an upvalue to global_select */
@@ -54,6 +54,7 @@ void select_open(lua_State *L)
     luaL_openlib(L, LUASOCKET_LIBNAME, func, 1);
     lua_pop(L, 1);
     aux_newclass(L, "select{fd_set}", set);
+    return 0;
 }
 
 /*=========================================================================*\