diff --git a/packages/frontend/src/components/MkUrlPreview.vue b/packages/frontend/src/components/MkUrlPreview.vue
index be940c8c55..1dcfb7bbdf 100644
--- a/packages/frontend/src/components/MkUrlPreview.vue
+++ b/packages/frontend/src/components/MkUrlPreview.vue
@@ -37,7 +37,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 		></iframe>
 	</div>
 	<div :class="$style.action">
-		<MkButton :small="true" inline @click="tweetExpanded = false">
+		<MkButton :small="true" inline @click="postExpanded = false">
 			<i class="ti ti-x"></i> {{ i18n.ts.close }}
 		</MkButton>
 	</div>