diff --git a/components/agents/AgentPsdTemplateEditorDialog.tsx b/components/agents/AgentPsdTemplateEditorDialog.tsx
index a31221d72..3c14db477 100644
--- a/components/agents/AgentPsdTemplateEditorDialog.tsx
+++ b/components/agents/AgentPsdTemplateEditorDialog.tsx
@@ -1942,9 +1942,8 @@ export function AgentPsdTemplateEditorDialog({
     [orderedEditableLayers]
   );
   const layerStackZIndexById = useMemo(() => {
-    const total = orderedPreviewLayers.length;
     return new Map(
-      orderedPreviewLayers.map((layer, index) => [layer.id, total - index])
+      orderedPreviewLayers.map((layer, index) => [layer.id, index + 1])
     );
   }, [orderedPreviewLayers]);
   const shouldShowCompositeFallback = useMemo(