diff --git a/kiwmi/luak/kiwmi_server.c b/kiwmi/luak/kiwmi_server.c
index f139049..b61f388 100644
--- a/kiwmi/luak/kiwmi_server.c
+++ b/kiwmi/luak/kiwmi_server.c
@@ -93,7 +93,9 @@ l_kiwmi_server_spawn(lua_State *L)
         _exit(EXIT_FAILURE);
     }
 
-    return 0;
+    lua_pushinteger(L, pid);
+
+    return 1;
 }
 
 static int