diff --git a/src/apps/viewer/embedded.html b/src/apps/viewer/embedded.html
index adb9ecd04b77bacbdde6f6fea9d1981263f2d420..8533dc365cab388d7d2dae84f216ff55f0840c42 100644
--- a/src/apps/viewer/embedded.html
+++ b/src/apps/viewer/embedded.html
@@ -34,7 +34,7 @@
 
                 pdbProvider: 'rcsb',
                 emdbProvider: 'rcsb',
-            }).then(() => {
+            }).then(viewer => {
                 viewer.loadPdb('7bv2');
                 viewer.loadEmdb('EMD-30210', { detail: 6 });
                 // viewer.loadAllModelsOrAssemblyFromUrl('https://cs.litemol.org/5ire/full', 'mmcif', false, { representationParams: { theme: { globalName: 'operator-name' } } })