diff --git a/ext/bg/js/api.js b/ext/bg/js/api.js
index 3e821333..474365ae 100644
--- a/ext/bg/js/api.js
+++ b/ext/bg/js/api.js
@@ -105,11 +105,8 @@ async function apiTextParseMecab(text, optionsContext) {
     return results;
 }
 
-async function apiKanjiFind(text, optionsContext) {
-    const options = await apiOptionsGet(optionsContext);
-    const definitions = await utilBackend().translator.findKanji(text, options);
-    definitions.splice(options.general.maxResults);
-    return definitions;
+function apiKanjiFind(text, optionsContext) {
+    return utilBackend()._onApiKanjiFind({text, optionsContext});
 }
 
 async function apiDefinitionAdd(definition, mode, context, optionsContext) {
diff --git a/ext/bg/js/backend.js b/ext/bg/js/backend.js
index 5753e16e..0cac68f8 100644
--- a/ext/bg/js/backend.js
+++ b/ext/bg/js/backend.js
@@ -240,8 +240,11 @@ class Backend {
         this.onOptionsUpdated(source);
     }
 
-    _onApiKanjiFind({text, optionsContext}) {
-        return apiKanjiFind(text, optionsContext);
+    async _onApiKanjiFind({text, optionsContext}) {
+        const options = await this.getOptions(optionsContext);
+        const definitions = await this.translator.findKanji(text, options);
+        definitions.splice(options.general.maxResults);
+        return definitions;
     }
 
     _onApiTermsFind({text, details, optionsContext}) {