--- plugins/webinterface/httpserver.cpp
+++ plugins/webinterface/httpserver.cpp
@@ -468,7 +468,7 @@ namespace kt
 		
 		QDataStream out(&tmp_file);
 		out.writeRawData(ptr + (pos + 4),len - (pos + 4));
-		out << flush;
+		tmp_file.flush();
 		tmp_file.close();
 		
 		Out(SYS_WEB|LOG_NOTICE) << "Loading file " << save_file << endl;