diff --git a/lib/tasks/stt-task.js b/lib/tasks/stt-task.js
index 1f93ce7c..01cea142 100644
--- a/lib/tasks/stt-task.js
+++ b/lib/tasks/stt-task.js
@@ -91,16 +91,20 @@ class SttTask extends Task {
 
     if (cs.recognizer) {
       for (const k in cs.recognizer) {
-        if (Array.isArray(this.data.recognizer[k]) ||
-        Array.isArray(cs.recognizer[k]) ||
-        typeof this.data.recognizer[k] === 'object' ||
+        if (typeof this.data.recognizer[k] === 'object' ||
         typeof cs.recognizer[k] === 'object'
         ) {
           this.data.recognizer[k] = {
             ...this.data.recognizer[k],
             ...cs.recognizer[k]
           };
-        }  else {
+        } else if (Array.isArray(this.data.recognizer[k]) ||
+        Array.isArray(cs.recognizer[k])) {
+          this.data.recognizer[k] = [
+            ...this.data.recognizer[k],
+            ...cs.recognizer[k]
+          ];
+        } else {
           this.data.recognizer[k] = cs.recognizer[k] || this.data.recognizer[k];
         }
       }
diff --git a/test/transcribe-tests.js b/test/transcribe-tests.js
index 1312f907..6f8abe29 100644
--- a/test/transcribe-tests.js
+++ b/test/transcribe-tests.js
@@ -155,6 +155,9 @@ test('\'transcribe\' test - deepgram config options', async(t) => {
         "recognizer": {
           "vendor": "deepgram",
           "language": "en-US",
+          "altLanguages": [
+            "en-US"
+          ],
           "deepgramOptions": {
             "model": "2-ea",
             "tier": "nova",
@@ -172,6 +175,9 @@ test('\'transcribe\' test - deepgram config options', async(t) => {
         "transcriptionHook": "/transcriptionHook",
         "recognizer": {
           "vendor": "deepgram",
+          "altLanguages": [
+            "en-AU"
+          ],
           "hints": ["customer support", "sales", "human resources", "HR"],
           "deepgramOptions": {
             "apiKey": DEEPGRAM_API_KEY,