diff --git a/src/bootstrap/builder.rs b/src/bootstrap/builder.rs
index c8285c85d03..e2d76a0c57e 100644
--- a/src/bootstrap/builder.rs
+++ b/src/bootstrap/builder.rs
@@ -689,6 +689,7 @@ impl<'a> Builder<'a> {
                 doc::UnstableBookGen,
                 doc::TheBook,
                 doc::Standalone,
+                doc::JsonStd,
                 doc::Std,
                 doc::Rustc,
                 doc::Rustdoc,
diff --git a/src/bootstrap/doc.rs b/src/bootstrap/doc.rs
index 5d265b9ad0c..649c11be8e0 100644
--- a/src/bootstrap/doc.rs
+++ b/src/bootstrap/doc.rs
@@ -529,7 +529,7 @@ impl Step for JsonStd {
     }
 
     fn make_run(run: RunConfig<'_>) {
-        run.builder.ensure(Std { stage: run.builder.top_stage, target: run.target });
+        run.builder.ensure(JsonStd { stage: run.builder.top_stage, target: run.target });
     }
 
     /// Build JSON documentation for the standard library crates.