diff --git a/buildtools b/buildtools
index 29ab223..78acb42 160000
--- a/buildtools
+++ b/buildtools
@@ -1 +1 @@
-Subproject commit 29ab2234e7376807d154a2a06b5d3d49ad50f631
+Subproject commit 78acb42849b6d8316a2a9de52c4cc41b784d4508
diff --git a/servefiles/servefiles.py b/servefiles/servefiles.py
index c86fdb9..2a3ac00 100644
--- a/servefiles/servefiles.py
+++ b/servefiles/servefiles.py
@@ -78,6 +78,8 @@ try:
 	sock.close()
 except Exception as e:
 	print("Error: " + str(e))
+	server.shutdown()
+	sys.exit(1)
 
 print("Shutting down HTTP server...")