diff --git a/packages/frontend/src/components/MkEmojiPicker.section.vue b/packages/frontend/src/components/MkEmojiPicker.section.vue
index 887c11c6cc..c44ee3d41f 100644
--- a/packages/frontend/src/components/MkEmojiPicker.section.vue
+++ b/packages/frontend/src/components/MkEmojiPicker.section.vue
@@ -6,7 +6,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 <template>
 <!-- このコンポーネントの要素のclassは親から利用されるのでむやみに弄らないこと -->
 <!-- フォルダの中にはカスタム絵文字だけ（Unicode絵文字もこっち） -->
-<section v-if="!isChildren">
+<section v-if="!categoryFolderFlag">
 	<header class="_acrylic" @click="shown = !shown">
 		<i class="toggle ti-fw" :class="shown ? 'ti ti-chevron-down' : 'ti ti-chevron-up'"></i> <slot></slot> (<i class="ti ti-icons ti-fw"></i>:{{emojis.length}})
 	</header>
@@ -48,7 +48,7 @@ SPDX-License-Identifier: AGPL-3.0-only
         :key="`custom:${child.value}`"
         :initialShown="initialShown"
         :emojis="computed(() => customEmojis.filter(e => e.category === child.category).map(e => `:${e.name}:`))"
-        :isChildren="child.children.length!==0"
+        :categoryFolderFlag="child.children.length!==0"
         :customEmojiTree="child.children"
         @chosen="nestedChosen"
     >
@@ -68,7 +68,7 @@ import MkEmojiPickerSection from "@/components/MkEmojiPicker.section.vue";
 const props = defineProps<{
 	emojis: string[] | Ref<string[]>;
 	initialShown?: boolean;
-	isChildren?: boolean;
+	categoryFolderFlag?: boolean;
 	customEmojiTree?: CustomEmojiFolderTree[];
 }>();
 
diff --git a/packages/frontend/src/components/MkEmojiPicker.vue b/packages/frontend/src/components/MkEmojiPicker.vue
index 0ec8911d78..b32bde757e 100644
--- a/packages/frontend/src/components/MkEmojiPicker.vue
+++ b/packages/frontend/src/components/MkEmojiPicker.vue
@@ -77,7 +77,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				:key="`custom:${child.value}`"
 				:initialShown="false"
 				:emojis="computed(() => customEmojis.filter(e => child.value === i18n.ts.other ? (e.category === 'null' || !e.category) : e.category === child.value).filter(filterAvailable).map(e => `:${e.name}:`))"
-        :isChildren="child.children.length!==0"
+        :categoryFolderFlag="child.children.length!==0"
         :customEmojiTree="child.children"
 				@chosen="chosen"
 			>
@@ -86,7 +86,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 		</div>
 		<div v-once class="group">
 			<header class="_acrylic">{{ i18n.ts.emoji }}</header>
-			<XSection v-for="category in categories" :key="category" :emojis="emojiCharByCategory.get(category) ?? []" :isChildren="false" @chosen="chosen">{{ category }}</XSection>
+			<XSection v-for="category in categories" :key="category" :emojis="emojiCharByCategory.get(category) ?? []" :categoryFolderFlag="false" @chosen="chosen">{{ category }}</XSection>
 		</div>
 	</div>
 	<div class="tabs">