diff --git a/app/src/Web/Controller/Admin/CategoriesController.php b/app/src/Web/Controller/Admin/CategoriesController.php
index 0b223afd..34948c92 100644
--- a/app/src/Web/Controller/Admin/CategoriesController.php
+++ b/app/src/Web/Controller/Admin/CategoriesController.php
@@ -40,6 +40,7 @@ public function create(Request $request): string
 
         // 初期表示時
         if (!$request->get('category') || !$request->isValidSig()) {
+            $this->set('show_category_list', true);
             return "admin/categories/create.twig";
         }
 
diff --git a/app/twig_templates/admin/categories/create.twig b/app/twig_templates/admin/categories/create.twig
index 15f822db..81606a16 100644
--- a/app/twig_templates/admin/categories/create.twig
+++ b/app/twig_templates/admin/categories/create.twig
@@ -43,7 +43,7 @@
         </form>
     {% endif %}
 
-    {% if not req.get('category') %}
+    {% if show_category_list %}
         <h3>{{ _('Categories') }}</h3>
         <ul id="sys-category-list">
             {{ renderCategoriesTree2(req, categories) }}
diff --git a/app/twig_templates/admin/categories/create_sp.twig b/app/twig_templates/admin/categories/create_sp.twig
index 7a8c7d4c..eaae463c 100644
--- a/app/twig_templates/admin/categories/create_sp.twig
+++ b/app/twig_templates/admin/categories/create_sp.twig
@@ -33,8 +33,7 @@
         {{ input(req, 'sig', 'hidden', {'value': sig}) }}
     </form>
 
-    {% if not req.get('category') %}
-
+    {% if show_category_list %}
         <h2><span class="h2_inner">{{ _('Categories') }}</span></h2>
         <div class="category_list">
             <ul id="sys-category-list">