diff --git a/visualc/VS2010/benchmark.vcxproj b/visualc/VS2010/benchmark.vcxproj
index aa548d7..303f5ec 100644
--- a/visualc/VS2010/benchmark.vcxproj
+++ b/visualc/VS2010/benchmark.vcxproj
@@ -27,7 +27,7 @@
     </ProjectReference>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{54880004-9AA2-434D-A2F0-7F59D6F1536A}</ProjectGuid>
+    <ProjectGuid>{58A8E53D-21CB-5F27-5111-737EBD3F37A0}</ProjectGuid>
     <Keyword>Win32Proj</Keyword>
     <RootNamespace>benchmark</RootNamespace>
   </PropertyGroup>