diff --git a/3d-style/source/tiled_3d_model_worker_source.js b/3d-style/source/tiled_3d_model_worker_source.js
index 4574560678e..89bacd742d0 100644
--- a/3d-style/source/tiled_3d_model_worker_source.js
+++ b/3d-style/source/tiled_3d_model_worker_source.js
@@ -71,7 +71,7 @@ class Tiled3dWorkerTile {
                 const bucket = new Tiled3dModelBucket(nodes, tileID, extensions && extensions.includes("MAPBOX_mesh_features"), this.brightness);
                 // Upload to GPU without waiting for evaluation if we are in diffuse path
                 if (!hasMapboxMeshFeatures) bucket.needsUpload = true;
-                buckets[layer.id] = bucket;
+                buckets[layer.fqid] = bucket;
                 // do the first evaluation in the worker to avoid stuttering
                 // $FlowIgnore[incompatible-call] layer here is always a ModelStyleLayer
                 bucket.evaluate(layer);
diff --git a/src/render/painter.js b/src/render/painter.js
index 37f1437e0ff..ad5cac9bb4e 100644
--- a/src/render/painter.js
+++ b/src/render/painter.js
@@ -633,7 +633,7 @@ class Painter {
                         continue;
                     }
 
-                    conflationSources.push({layer: layer.id, cache: sourceCache});
+                    conflationSources.push({layer: layer.fqid, cache: sourceCache});
                 }
 
                 this.replacementSource.setSources(conflationSources);