diff --git a/web/app/sketcher/io.ts b/web/app/sketcher/io.ts
index f52a1edb..d4c7fc30 100644
--- a/web/app/sketcher/io.ts
+++ b/web/app/sketcher/io.ts
@@ -332,7 +332,11 @@ export class IO {
   }
 
   getWorkspaceToExport() {
-    return [this.viewer.layers, [this.viewer.labelLayer]];
+    return [
+      this.viewer.layers,
+      [this.viewer.labelLayer],
+      this.viewer.dimLayers
+    ];
   }
 
   getLayersToExport() {