diff --git a/gzdoom.sln b/gzdoom.sln
index c87c648e9f..181f28c08c 100644
--- a/gzdoom.sln
+++ b/gzdoom.sln
@@ -111,15 +111,19 @@ Global
 		{087B206F-F49E-4EFB-92CB-E1F6E32D1278}.Debug|Win32.ActiveCfg = Debug|Win32
 		{087B206F-F49E-4EFB-92CB-E1F6E32D1278}.Debug|Win32.Build.0 = Debug|Win32
 		{087B206F-F49E-4EFB-92CB-E1F6E32D1278}.Debug|x64.ActiveCfg = Debug|Win32
+		{087B206F-F49E-4EFB-92CB-E1F6E32D1278}.Debug|x64.Build.0 = Debug|Win32
 		{087B206F-F49E-4EFB-92CB-E1F6E32D1278}.Release|Win32.ActiveCfg = Release|Win32
 		{087B206F-F49E-4EFB-92CB-E1F6E32D1278}.Release|Win32.Build.0 = Release|Win32
 		{087B206F-F49E-4EFB-92CB-E1F6E32D1278}.Release|x64.ActiveCfg = Release|Win32
+		{087B206F-F49E-4EFB-92CB-E1F6E32D1278}.Release|x64.Build.0 = Release|Win32
 		{31090871-A623-4BBC-A167-DE821CD1240C}.Debug|Win32.ActiveCfg = Debug|Win32
 		{31090871-A623-4BBC-A167-DE821CD1240C}.Debug|Win32.Build.0 = Debug|Win32
 		{31090871-A623-4BBC-A167-DE821CD1240C}.Debug|x64.ActiveCfg = Debug|Win32
+		{31090871-A623-4BBC-A167-DE821CD1240C}.Debug|x64.Build.0 = Debug|Win32
 		{31090871-A623-4BBC-A167-DE821CD1240C}.Release|Win32.ActiveCfg = Release|Win32
 		{31090871-A623-4BBC-A167-DE821CD1240C}.Release|Win32.Build.0 = Release|Win32
 		{31090871-A623-4BBC-A167-DE821CD1240C}.Release|x64.ActiveCfg = Release|Win32
+		{31090871-A623-4BBC-A167-DE821CD1240C}.Release|x64.Build.0 = Release|Win32
 		{6077B7D6-349F-4077-B552-3BC302EF5859}.Debug|Win32.ActiveCfg = Debug|Win32
 		{6077B7D6-349F-4077-B552-3BC302EF5859}.Debug|Win32.Build.0 = Debug|Win32
 		{6077B7D6-349F-4077-B552-3BC302EF5859}.Debug|x64.ActiveCfg = Debug|x64