diff --git a/client/src/app/+videos/+video-watch/video-watch.component.html b/client/src/app/+videos/+video-watch/video-watch.component.html
index 8ec2f7c..fe58b85 100644
--- a/client/src/app/+videos/+video-watch/video-watch.component.html
+++ b/client/src/app/+videos/+video-watch/video-watch.component.html
@@ -136,7 +136,7 @@
             <fieldset>
                 <legend>サイズ</legend>
                 <label><input type="radio" name="size" value="large">大</label>
-                <label><input type="radio" name="size" checked="" value="中">中</label>
+                <label><input type="radio" name="size" checked="checked" value="">中</label>
                 <label><input type="radio" name="size" value="small">小</label>
             </fieldset>
             <button type="button" id="okButton">OK</button>