diff --git a/src/config/configfile.cpp b/src/config/configfile.cpp
index f6ab33e0..365473cd 100644
--- a/src/config/configfile.cpp
+++ b/src/config/configfile.cpp
@@ -122,7 +122,7 @@ ConfigFile::ConfigFile(int argc, char **argv) : noWriteAccess(0)
 			dataDir += "data/";
 			////define cache-dir
 			cacheDir = configFileName;
-			cacheDir += "cache\\";
+			cacheDir += "cache/";
 			//create directories on first start of app
 			mkdir(configFileName.c_str(), MODUS) ;
 			mkdir(logDir.c_str(), MODUS);
diff --git a/src/core/common/avatarmanager.cpp b/src/core/common/avatarmanager.cpp
index 82805491..ab8a0dc7 100644
--- a/src/core/common/avatarmanager.cpp
+++ b/src/core/common/avatarmanager.cpp
@@ -19,15 +19,11 @@
 
 #include "avatarmanager.h"
 
-#ifdef _WIN32
-	#include <boost/filesystem.hpp>
-#else
-	#include <boost/filesystem/operations.hpp>   // includes path.hpp
-	#include <boost/filesystem/convenience.hpp>
-#endif
-
+#include <boost/filesystem.hpp>
 #include <openssl/md5.h>
 
+#include <fstream>
+
 using namespace std;
 using namespace boost::filesystem;