diff --git a/cpp/msbuild/ice.test.sln b/cpp/msbuild/ice.test.sln
index 517aa0982f2..186a9da3f4a 100644
--- a/cpp/msbuild/ice.test.sln
+++ b/cpp/msbuild/ice.test.sln
@@ -2729,6 +2729,7 @@ Global
 		{86FA255C-ED2F-44E3-989B-F9291165D3E1}.Debug|Win32.ActiveCfg = Debug|Win32
 		{86FA255C-ED2F-44E3-989B-F9291165D3E1}.Debug|Win32.Build.0 = Debug|Win32
 		{86FA255C-ED2F-44E3-989B-F9291165D3E1}.Debug|x64.ActiveCfg = Debug|x64
+		{86FA255C-ED2F-44E3-989B-F9291165D3E1}.Debug|x64.Build.0 = Debug|x64
 		{86FA255C-ED2F-44E3-989B-F9291165D3E1}.Release|Win32.ActiveCfg = Release|Win32
 		{86FA255C-ED2F-44E3-989B-F9291165D3E1}.Release|Win32.Build.0 = Release|Win32
 		{86FA255C-ED2F-44E3-989B-F9291165D3E1}.Release|x64.ActiveCfg = Release|x64