diff --git a/admin-spa/src/components/VerticalTabForm.tsx b/admin-spa/src/components/VerticalTabForm.tsx
index 274e32d..183e2b8 100644
--- a/admin-spa/src/components/VerticalTabForm.tsx
+++ b/admin-spa/src/components/VerticalTabForm.tsx
@@ -18,6 +18,13 @@ export function VerticalTabForm({ tabs, children, className }: VerticalTabFormPr
   const contentRef = useRef<HTMLDivElement>(null);
   const sectionRefs = useRef<{ [key: string]: HTMLElement }>({});
 
+  // Update activeTab when tabs change (e.g., product type changes)
+  useEffect(() => {
+    if (tabs.length > 0 && !tabs.find(t => t.id === activeTab)) {
+      setActiveTab(tabs[0].id);
+    }
+  }, [tabs, activeTab]);
+
   // Scroll spy - update active tab based on scroll position
   useEffect(() => {
     const handleScroll = () => {