diff --git a/resources/js/Pages/Projects/Edit.vue b/resources/js/Pages/Projects/Edit.vue
index 9da642f..7974be8 100644
--- a/resources/js/Pages/Projects/Edit.vue
+++ b/resources/js/Pages/Projects/Edit.vue
@@ -10,7 +10,7 @@ const props = defineProps({
     },
 });
 
-const categories = ref(props.project.categories);
+const categories = ref(props.project.categories ?? []);
 
 const categoryToString = computed({
     get: () => categories.value.join(', '),