diff --git a/src/components/common/TreeExplorerV2.vue b/src/components/common/TreeExplorerV2.vue
index e72f317a34..c43dca3539 100644
--- a/src/components/common/TreeExplorerV2.vue
+++ b/src/components/common/TreeExplorerV2.vue
@@ -8,7 +8,7 @@
         :get-children="
           (item) => (item.children?.length ? item.children : undefined)
         "
-        class="m-0 p-0 pb-6"
+        class="m-0 min-w-0 p-0 pb-6"
       >
         <TreeVirtualizer
           v-slot="{ item }"
diff --git a/src/components/common/TreeExplorerV2Node.vue b/src/components/common/TreeExplorerV2Node.vue
index 2f1e2b9b6f..5b8118a006 100644
--- a/src/components/common/TreeExplorerV2Node.vue
+++ b/src/components/common/TreeExplorerV2Node.vue
@@ -105,7 +105,7 @@ defineOptions({
 })
 
 const ROW_CLASS =
-  'group/tree-node flex cursor-pointer select-none items-center gap-3 overflow-hidden py-2 outline-none hover:bg-comfy-input mx-2 rounded'
+  'group/tree-node flex w-full min-w-0 cursor-pointer select-none items-center gap-3 overflow-hidden py-2 outline-none hover:bg-comfy-input mx-2 rounded'
 
 const { item } = defineProps<{
   item: FlattenedItem<RenderedTreeExplorerNode<ComfyNodeDefImpl>>