diff --git a/doccano/app/db.sqlite3 b/doccano/app/db.sqlite3
index 518ee919..e2b792d2 100644
Binary files a/doccano/app/db.sqlite3 and b/doccano/app/db.sqlite3 differ
diff --git a/doccano/app/server/templates/annotation.1.html b/doccano/app/server/templates/annotation.1.html
index 21a7ed1a..76cea0e8 100644
--- a/doccano/app/server/templates/annotation.1.html
+++ b/doccano/app/server/templates/annotation.1.html
@@ -27,7 +27,7 @@
                     <div class="control" v-for="label in labels">
                         <li class="tags has-addons">
                             <span class="tag is-primary">[[label.shortcut]]</span>
-                            <a class="tag is-grey" v-on:click="addLabel(label.text)" v-shortkey="['ctrl', [[ label.shortcut ]]]" @shortkey="addLabel(label.text)">[[label.text]]</a>
+                            <a class="tag is-grey" v-on:click="addLabel(label.text)" v-shortkey.once="['ctrl', [[ label.shortcut ]]]" @shortkey="addLabel(label.text)">[[label.text]]</a>
                         </li>
                     </div>
                 </ul>