diff --git a/src/TypeCatalogGen/build.sh b/src/TypeCatalogGen/build.sh
index 59d14d9463..4a086a2dbf 100755
--- a/src/TypeCatalogGen/build.sh
+++ b/src/TypeCatalogGen/build.sh
@@ -1,13 +1,10 @@
 . mono-snapshot mono
 export DOTNET_REFERENCE_ASSEMBLIES_PATH=$MONO_PREFIX/lib/mono/xbuild-frameworks/
 
-pushd Runtime
+pushd ../TypeCatalogParser
 dotnet restore
-dotnet publish --output bin
+dotnet run
 popd
 
-ls Runtime/bin/*.dll | sed ':a;N;$!ba;s/\n/;/g' > powershell.inc
-
 dotnet restore
-dotnet run CorePsTypeCatalog.cs powershell.inc
-cp CorePsTypeCatalog.cs ../Microsoft.PowerShell.CoreCLR.AssemblyLoadContext/
+dotnet run ../Microsoft.PowerShell.CoreCLR.AssemblyLoadContext/CorePsTypeCatalog.cs powershell.inc