diff --git a/src/ide/vc9/supertuxkart.vcproj b/src/ide/vc9/supertuxkart.vcproj
index 37d01dfca..a1ce3b274 100644
--- a/src/ide/vc9/supertuxkart.vcproj
+++ b/src/ide/vc9/supertuxkart.vcproj
@@ -821,6 +821,14 @@
 			<Filter
 				Name="states_screen"
 				>
+				<File
+					RelativePath="..\..\states_screens\addons_screen.cpp"
+					>
+				</File>
+				<File
+					RelativePath="..\..\states_screens\addons_update_screen.cpp"
+					>
+				</File>
 				<File
 					RelativePath="..\..\states_screens\arenas_screen.cpp"
 					>
@@ -908,6 +916,10 @@
 						RelativePath="..\..\states_screens\dialogs\add_device_dialog.cpp"
 						>
 					</File>
+					<File
+						RelativePath="..\..\states_screens\dialogs\addons_loading.cpp"
+						>
+					</File>
 					<File
 						RelativePath="..\..\states_screens\dialogs\confirm_resolution_dialog.cpp"
 						>
@@ -942,6 +954,22 @@
 					</File>
 				</Filter>
 			</Filter>
+			<Filter
+				Name="addons"
+				>
+				<File
+					RelativePath="..\..\addons\addons.cpp"
+					>
+				</File>
+				<File
+					RelativePath="..\..\addons\network.cpp"
+					>
+				</File>
+				<File
+					RelativePath="..\..\addons\zip.cpp"
+					>
+				</File>
+			</Filter>
 		</Filter>
 		<Filter
 			Name="Headerdateien"
@@ -1635,6 +1663,14 @@
 			<Filter
 				Name="states_screens"
 				>
+				<File
+					RelativePath="..\..\states_screens\addons_screen.hpp"
+					>
+				</File>
+				<File
+					RelativePath="..\..\states_screens\addons_update_screen.hpp"
+					>
+				</File>
 				<File
 					RelativePath="..\..\states_screens\arenas_screen.hpp"
 					>
@@ -1722,6 +1758,10 @@
 						RelativePath="..\..\states_screens\dialogs\add_device_dialog.hpp"
 						>
 					</File>
+					<File
+						RelativePath="..\..\states_screens\dialogs\addons_loading.hpp"
+						>
+					</File>
 					<File
 						RelativePath="..\..\states_screens\dialogs\confirm_resolution_dialog.hpp"
 						>
@@ -1756,6 +1796,22 @@
 					</File>
 				</Filter>
 			</Filter>
+			<Filter
+				Name="addons"
+				>
+				<File
+					RelativePath="..\..\addons\addons.hpp"
+					>
+				</File>
+				<File
+					RelativePath="..\..\addons\network.hpp"
+					>
+				</File>
+				<File
+					RelativePath="..\..\addons\zip.hpp"
+					>
+				</File>
+			</Filter>
 		</Filter>
 		<Filter
 			Name="Ressourcendateien"
diff --git a/src/states_screens/addons_update_screen.cpp b/src/states_screens/addons_update_screen.cpp
index 08d4eccae..2b7cdc71d 100644
--- a/src/states_screens/addons_update_screen.cpp
+++ b/src/states_screens/addons_update_screen.cpp
@@ -19,6 +19,11 @@
 
 #include "states_screens/addons_screen.hpp"
 
+/*pthread aren't supported natively by windows. Here a port: http://sourceware.org/pthreads-win32/ */
+#  include <pthread.h>
+#  include <sstream>
+
+
 #include "addons/addons.hpp"
 #include "addons/network.hpp"
 #include "guiengine/widget.hpp"
@@ -29,11 +34,6 @@
 #include "states_screens/state_manager.hpp"
 #include "states_screens/dialogs/addons_loading.hpp"
 
-
-/*pthread aren't supported natively by windows. Here a port: http://sourceware.org/pthreads-win32/ */
-#include <pthread.h>
-#include <sstream>
-
 DEFINE_SCREEN_SINGLETON( AddonsUpdateScreen );
 
 // ------------------------------------------------------------------------------------------------------
@@ -147,5 +147,4 @@ void * startInstall(void* pthis)
     obj->loadInformations();
     return NULL;
 }
-
 #endif
diff --git a/src/states_screens/main_menu_screen.cpp b/src/states_screens/main_menu_screen.cpp
index 4d36b0a12..b2c65ae9f 100644
--- a/src/states_screens/main_menu_screen.cpp
+++ b/src/states_screens/main_menu_screen.cpp
@@ -17,6 +17,12 @@
 
 #include "states_screens/main_menu_screen.hpp"
 
+#include <iostream>
+#include <string>
+#ifdef ADDONS_MANAGER
+#  include <pthread.h>
+#endif
+
 #include "guiengine/widgets.hpp"
 #include "karts/kart_properties_manager.hpp"
 #include "main_loop.hpp"
@@ -39,9 +45,6 @@
 
 #include "tracks/track_manager.hpp"
 #include "tracks/track.hpp"
-#include <iostream>
-#include <string>
-#include <pthread.h>
 
 using namespace GUIEngine;