--- simmain.cc
+++ simmain.cc
@@ -1028,2 +1028,15 @@
	}
+
+	// Search secondary directory
+	searchfolder_t sf;
+	string udn = env_t::user_dir;
+	sf.search(udn + "addons/" + (env_t::objfilename).c_str(), "", true);
+
+	FOR(searchfolder_t, const& i, sf) {
+	char oDirectoryName[1024];
+	strcpy(oDirectoryName, i);
+	strcat(oDirectoryName, "/");
+	obj_reader_t::load(oDirectoryName, translator::translate("Loading addon paks ..."));
+	}
+
	chdir( env_t::program_dir );