diff --git a/src/web/app/desktop/tags/post-form.tag b/src/web/app/desktop/tags/post-form.tag
index 16c7bc4bd1..b8cd8d3d77 100644
--- a/src/web/app/desktop/tags/post-form.tag
+++ b/src/web/app/desktop/tags/post-form.tag
@@ -3,7 +3,7 @@
 	<div class="attaches" if={ files.length != 0 }>
 		<ul class="files" ref="attaches">
 			<li class="file" each={ files }>
-				<div class="img" style="background-image: url({ url + &quot;?thumbnail&size=64&quot; })" title={ name }></div><img class="remove" onclick={ _remove } src="/_/resources/desktop/remove.png" title="添付取り消し" alt=""/>
+				<div class="img" style="background-image: url({ url + '?thumbnail&size=64' })" title={ name }></div><img class="remove" onclick={ _remove } src="/_/resources/desktop/remove.png" title="添付取り消し" alt=""/>
 			</li>
 			<li class="add" if={ files.length < 4 } title="PCからファイルを添付" onclick={ selectFile }><i class="fa fa-plus"></i></li>
 		</ul>
diff --git a/src/web/app/mobile/tags/post-form.tag b/src/web/app/mobile/tags/post-form.tag
index 7574c997f6..d7270ebbc5 100644
--- a/src/web/app/mobile/tags/post-form.tag
+++ b/src/web/app/mobile/tags/post-form.tag
@@ -13,7 +13,7 @@
 		<div class="attaches" if={ files.length != 0 }>
 			<ul class="files" ref="attaches">
 				<li class="file" each={ files }>
-					<div class="img" style="background-image: url({ url + &quot;?thumbnail&size=64&quot; })" title={ name }></div>
+					<div class="img" style="background-image: url({ url + '?thumbnail&size=64' })" title={ name }></div>
 				</li>
 				<li class="add" if={ files.length < 4 } title="PCからファイルを添付" onclick={ selectFile }><i class="fa fa-plus"></i></li>
 			</ul>