diff --git a/lib/tasks/stt-task.js b/lib/tasks/stt-task.js
index 52ce637d..44f742d4 100644
--- a/lib/tasks/stt-task.js
+++ b/lib/tasks/stt-task.js
@@ -56,6 +56,27 @@ class SttTask extends Task {
     super.exec(cs);
     this.ep = ep;
     this.ep2 = ep2;
+    // copy all value from config verb to this object.
+    if (cs.recognizer) {
+      for (const k in cs.recognizer) {
+        if (Array.isArray(this.data.recognizer[k]) ||
+        Array.isArray(cs.recognizer[k])) {
+          this.data.recognizer[k] = [
+            ...this.data.recognizer[k],
+            ...cs.recognizer[k]
+          ];
+        } else if (typeof this.data.recognizer[k] === 'object' ||
+        typeof cs.recognizer[k] === 'object'
+        ) {
+          this.data.recognizer[k] = {
+            ...this.data.recognizer[k],
+            ...cs.recognizer[k]
+          };
+        } else {
+          this.data.recognizer[k] = cs.recognizer[k] || this.data.recognizer[k];
+        }
+      }
+    }
     if ('default' === this.vendor || !this.vendor) {
       this.vendor = cs.speechRecognizerVendor;
       if (this.data.recognizer) this.data.recognizer.vendor = this.vendor;
@@ -89,27 +110,6 @@ class SttTask extends Task {
       this.data.recognizer.model = cs.speechRecognizerLanguage;
     }
 
-    if (cs.recognizer) {
-      for (const k in cs.recognizer) {
-        if (Array.isArray(this.data.recognizer[k]) ||
-        Array.isArray(cs.recognizer[k])) {
-          this.data.recognizer[k] = [
-            ...this.data.recognizer[k],
-            ...cs.recognizer[k]
-          ];
-        } else if (typeof this.data.recognizer[k] === 'object' ||
-        typeof cs.recognizer[k] === 'object'
-        ) {
-          this.data.recognizer[k] = {
-            ...this.data.recognizer[k],
-            ...cs.recognizer[k]
-          };
-        } else {
-          this.data.recognizer[k] = cs.recognizer[k] || this.data.recognizer[k];
-        }
-      }
-    }
-
     if (!this.sttCredentials) {
       try {
         this.sttCredentials = await this._initSpeechCredentials(this.cs, this.vendor, this.label);