--- src/PropertyManager.cc
+++ src/PropertyManager.cc
@@ -28,6 +28,7 @@
 #include "XMLtoLocal.hh"
 #include "XMLtoUtf8.hh"
 #include "ecl_system.hh"
+#include <cstdio>
 #include <iostream>
 #include <xercesc/dom/DOM.hpp>
 #include <xercesc/util/XMLDouble.hpp>
--- src/StateManager.cc
+++ src/StateManager.cc
@@ -32,6 +32,7 @@
 #include "ecl_system.hh"
 #include "gui/ErrorMenu.hh"
 #include <iostream>
+#include <fstream>
 #include <sstream>
 #include <xercesc/dom/DOM.hpp>
 #include <xercesc/util/XMLDouble.hpp>
--- src/gui/LevelPackComposer.cc
+++ src/gui/LevelPackComposer.cc
@@ -29,6 +29,8 @@
 
 #include "main.hh"
 
+#include <fstream>
+
 using namespace ecl;
 using namespace std;
 
--- src/lev/Index.cc
+++ src/lev/Index.cc
@@ -26,6 +26,7 @@
 #include "StateManager.hh"
 #include "lev/ScoreManager.hh"
 #include "lev/RatingManager.hh"
+#include <cstdio>
 
 
 namespace enigma { namespace lev {