diff --git a/ext/bg/js/options-form.js b/ext/bg/js/options-form.js
index 795cdaff..b9ca1e0a 100644
--- a/ext/bg/js/options-form.js
+++ b/ext/bg/js/options-form.js
@@ -116,7 +116,7 @@ function updateVisibility(opts) {
 }
 
 function populateDictionaries(opts) {
-    const dictGroups = $('.dict-groups');
+    const dictGroups = $('#dict-groups');
     dictGroups.empty();
 
     const dictError = $('#dict-error');
diff --git a/ext/bg/options.html b/ext/bg/options.html
index 651f5723..d7aead07 100644
--- a/ext/bg/options.html
+++ b/ext/bg/options.html
@@ -65,7 +65,7 @@
             <div>
                 <h3>Dictionaries</h3>
 
-                <div class="dict-groups"></div>
+                <div id="dict-groups"></div>
 
                 <div class="alert alert-danger" id="dict-error">
                     <strong>Error:</strong>