diff --git a/build/tfs/linux/product-build-linux.yml b/build/tfs/linux/product-build-linux.yml
index 9e99bdfe582..24835a59ca6 100644
--- a/build/tfs/linux/product-build-linux.yml
+++ b/build/tfs/linux/product-build-linux.yml
@@ -15,7 +15,7 @@ steps:
     fi
 
     echo "machine monacotools.visualstudio.com password $(VSO_PAT)" > ~/.netrc
-    HOME="$AGENT_TEMPDIRECTORY" yarn
+    CHILD_CONCURRENCY=1 yarn
     npm run gulp -- hygiene
     npm run monaco-compile-check
     VSCODE_MIXIN_PASSWORD="$(VSCODE_MIXIN_PASSWORD)" npm run gulp -- mixin