diff --git a/windows/netgen.sln b/windows/netgen.sln
index 2e8072d0..9c832162 100644
--- a/windows/netgen.sln
+++ b/windows/netgen.sln
@@ -1,7 +1,7 @@
 
-Microsoft Visual Studio Solution File, Format Version 10.00
-# Visual Studio 2008
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "netgen", "netgen.vcproj", "{87468946-A594-4101-81A4-A131F35261EF}"
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 2012
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "netgen", "netgen.vcxproj", "{87468946-A594-4101-81A4-A131F35261EF}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution