diff --git a/projects/openttd_vs90.sln b/projects/openttd_vs90.sln
index e171928b23..a33f315d30 100644
--- a/projects/openttd_vs90.sln
+++ b/projects/openttd_vs90.sln
@@ -35,10 +35,12 @@ Global
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
 		{668328A0-B40E-4CDB-BD72-D0064424414A}.Debug|Win32.ActiveCfg = Debug|Win32
 		{668328A0-B40E-4CDB-BD72-D0064424414A}.Debug|Win32.Build.0 = Debug|Win32
-		{668328A0-B40E-4CDB-BD72-D0064424414A}.Debug|x64.ActiveCfg = Debug|Win32
+		{668328A0-B40E-4CDB-BD72-D0064424414A}.Debug|x64.ActiveCfg = Debug|x64
+		{668328A0-B40E-4CDB-BD72-D0064424414A}.Debug|x64.Build.0 = Debug|x64
 		{668328A0-B40E-4CDB-BD72-D0064424414A}.Release|Win32.ActiveCfg = Release|Win32
 		{668328A0-B40E-4CDB-BD72-D0064424414A}.Release|Win32.Build.0 = Release|Win32
-		{668328A0-B40E-4CDB-BD72-D0064424414A}.Release|x64.ActiveCfg = Release|Win32
+		{668328A0-B40E-4CDB-BD72-D0064424414A}.Release|x64.ActiveCfg = Release|x64
+		{668328A0-B40E-4CDB-BD72-D0064424414A}.Release|x64.Build.0 = Release|x64
 		{A133A442-BD0A-4ADE-B117-AD7545E4BDD1}.Debug|Win32.ActiveCfg = Debug|Win32
 		{A133A442-BD0A-4ADE-B117-AD7545E4BDD1}.Debug|Win32.Build.0 = Debug|Win32
 		{A133A442-BD0A-4ADE-B117-AD7545E4BDD1}.Debug|x64.ActiveCfg = Debug|Win32