diff --git a/platform/win32/contiki.sln b/platform/win32/contiki.sln
index f7cdd6fab..4989b6387 100644
--- a/platform/win32/contiki.sln
+++ b/platform/win32/contiki.sln
@@ -1,6 +1,6 @@
 
-Microsoft Visual Studio Solution File, Format Version 9.00
-# Visual C++ Express 2005
+Microsoft Visual Studio Solution File, Format Version 10.00
+# Visual C++ Express 2008
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "contiki.exe", "vcproj\contiki.exe.vcproj", "{DD219C2D-D3F8-4C76-B2AA-376978722232}"
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "about.dsc", "vcproj\about.dsc.vcproj", "{D94905DB-27DB-4053-9760-9ADBC64F656A}"