diff --git a/app/components/MerchantForm.vue b/app/components/MerchantForm.vue
index 563354a..ab47d1d 100644
--- a/app/components/MerchantForm.vue
+++ b/app/components/MerchantForm.vue
@@ -99,7 +99,7 @@ interface Props {
 }
 
 const props = withDefaults(defineProps<Props>(), {
-  containerClass: 'w-full p-4 bg-white rounded-lg shadow-xl mb-16'
+  containerClass: 'w-full max-w-3xl mx-auto p-4 bg-white rounded-lg shadow-xl mb-16'
 })
 
 const toast = useToast()