diff --git a/ext/bg/js/backend.js b/ext/bg/js/backend.js
index 3051a873..717ffac3 100644
--- a/ext/bg/js/backend.js
+++ b/ext/bg/js/backend.js
@@ -357,11 +357,11 @@ class Backend {
 
     async _onApiTextParseMecab({text, optionsContext}) {
         const options = await this.getOptions(optionsContext);
-        const results = {};
+        const results = [];
         const rawResults = await this.mecab.parseText(text);
-        for (const mecabName in rawResults) {
+        for (const [mecabName, parsedLines] of Object.entries(rawResults)) {
             const result = [];
-            for (const parsedLine of rawResults[mecabName]) {
+            for (const parsedLine of parsedLines) {
                 for (const {expression, reading, source} of parsedLine) {
                     const term = [];
                     if (expression !== null && reading !== null) {
@@ -381,7 +381,7 @@ class Backend {
                 }
                 result.push([{text: '\n'}]);
             }
-            results[mecabName] = result;
+            results.push([mecabName, result]);
         }
         return results;
     }
diff --git a/ext/bg/js/search-query-parser.js b/ext/bg/js/search-query-parser.js
index 0d4aaa50..11c7baa2 100644
--- a/ext/bg/js/search-query-parser.js
+++ b/ext/bg/js/search-query-parser.js
@@ -142,11 +142,11 @@ class QueryParser extends TextScanner {
         }
         if (this.search.options.parsing.enableMecabParser) {
             const mecabResults = await apiTextParseMecab(text, this.search.getOptionsContext());
-            for (const mecabDictName in mecabResults) {
+            for (const [mecabDictName, mecabDictResults] of mecabResults) {
                 results.push({
                     name: `MeCab: ${mecabDictName}`,
                     id: `mecab-${mecabDictName}`,
-                    parsedText: mecabResults[mecabDictName]
+                    parsedText: mecabDictResults
                 });
             }
         }