diff --git a/src/lang/std/artifactGraph.ts b/src/lang/std/artifactGraph.ts
index 702e1a14a..e96b6b3f8 100644
--- a/src/lang/std/artifactGraph.ts
+++ b/src/lang/std/artifactGraph.ts
@@ -633,7 +633,7 @@ export function expandSweep(
   if (err(path)) return path
   return {
     type: 'sweep',
-    subType: 'extrusion',
+    subType: sweep.subType,
     surfaces: Array.from(surfs.values()),
     edges: Array.from(edges.values()),
     path,