diff --git a/lib/tasks/dialogflow/index.js b/lib/tasks/dialogflow/index.js
index 4ed2ccf7..f74504c2 100644
--- a/lib/tasks/dialogflow/index.js
+++ b/lib/tasks/dialogflow/index.js
@@ -133,7 +133,7 @@ class Dialogflow extends Task {
         this.fallbackVoice = cs.fallbackSpeechSynthesisVoice;
         this.fallbackLabel = cs.fallbackSpeechSynthesisLabel;
       }
-      this.ttsCredentials = cs.getSpeechCredentials(this.vendor, 'tts',this.speechSynthesisLabel);
+      this.ttsCredentials = cs.getSpeechCredentials(this.vendor, 'tts', this.speechSynthesisLabel);
 
       this.ep.addCustomEventListener('dialogflow::intent', this._onIntent.bind(this, ep, cs));
       this.ep.addCustomEventListener('dialogflow::transcription', this._onTranscription.bind(this, ep, cs));
@@ -235,7 +235,7 @@ class Dialogflow extends Task {
       }
 
       try {
-        const {filePath, servedFromCache} = await this.fallbackSynthAudio(cs, intent, stats);
+        const {filePath, servedFromCache} = await this.fallbackSynthAudio(cs, intent, stats, synthAudio);
         if (filePath) cs.trackTmpFile(filePath);
         if (!this.ttsCredentials && !servedFromCache) cs.billForTts(intent.fulfillmentText.length);
 
@@ -281,7 +281,7 @@ class Dialogflow extends Task {
     }
   }
 
-  async fallbackSynthAudio(cs, intent, stats) {
+  async fallbackSynthAudio(cs, intent, stats, synthAudio) {
     try {
       const obj = {
         account_sid: cs.accountSid,
@@ -299,7 +299,7 @@ class Dialogflow extends Task {
       this.logger.info({error}, 'Failed to synthesize audio from primary vendor');
 
       try {
-        if(this.fallbackVendor) {
+        if (this.fallbackVendor) {
           const credentials = cs.getSpeechCredentials(this.fallbackVendor, 'tts', this.fallbackLabel);
           const obj = {
             account_sid: cs.accountSid,
@@ -313,7 +313,7 @@ class Dialogflow extends Task {
           this.logger.debug({obj}, 'Dialogflow:_onIntent - playing message via fallback tts');
           return await synthAudio(stats, obj);
         }
-      } catch(err) {
+      } catch (err) {
         this.logger.info({err}, 'Failed to synthesize audio from falllback vendor');
         throw err;
       }
diff --git a/lib/tasks/lex.js b/lib/tasks/lex.js
index 3e33ecb9..7b3000a9 100644
--- a/lib/tasks/lex.js
+++ b/lib/tasks/lex.js
@@ -210,7 +210,7 @@ class Lex extends Task {
             credentials: credential
           });
           return filePath;
-        } catch(err) {
+        } catch (err) {
           this.logger.info({err}, 'failed to synth audio from fallback vendor');
         }
       }
diff --git a/lib/tasks/say.js b/lib/tasks/say.js
index cb82731e..1c255686 100644
--- a/lib/tasks/say.js
+++ b/lib/tasks/say.js
@@ -60,23 +60,23 @@ class TaskSay extends Task {
       this.synthesizer.vendor :
       cs.speechSynthesisVendor;
     const fallbackVendor = this.synthesizer.fallbackVendor && this.synthesizer.fallbackVendor !== 'default' ?
-    this.synthesizer.fallbackVendor :
-    cs.fallbackSpeechSynthesisVendor;
+      this.synthesizer.fallbackVendor :
+      cs.fallbackSpeechSynthesisVendor;
     const language = this.synthesizer.language && this.synthesizer.language !== 'default' ?
       this.synthesizer.language :
       cs.speechSynthesisLanguage ;
     const fallbackLanguage = this.synthesizer.fallbackLanguage && this.synthesizer.fallbackLanguage !== 'default' ?
-    this.synthesizer.fallbackLanguage :
-    cs.fallbackSpeechSynthesisLanguage ;
+      this.synthesizer.fallbackLanguage :
+      cs.fallbackSpeechSynthesisLanguage ;
     let voice =  this.synthesizer.voice && this.synthesizer.voice !== 'default' ?
       this.synthesizer.voice :
       cs.speechSynthesisVoice;
     const fallbackVoice = this.synthesizer.fallbackVoice && this.synthesizer.fallbackVoice !== 'default' ?
-    this.synthesizer.fallbackVoice :
-    cs.fallbackSpeechSynthesisVoice;
+      this.synthesizer.fallbackVoice :
+      cs.fallbackSpeechSynthesisVoice;
     const fallbackLabel = this.synthesizer.fallbackLabel && this.synthesizer.fallbackLabel !== 'default' ?
-    this.synthesizer.fallbackLabel :
-    cs.fallbackSpeechSynthesisLabel;
+      this.synthesizer.fallbackLabel :
+      cs.fallbackSpeechSynthesisLabel;
     const engine = this.synthesizer.engine || 'standard';
     const salt = cs.callSid;
     let credentials = cs.getSpeechCredentials(vendor, 'tts', this.data.synthesizer ?
@@ -164,7 +164,7 @@ class TaskSay extends Task {
 
         } catch (error) {
           if (fallbackVendor) {
-            const fallbackcredentials = cs.getSpeechCredentials(fallbackVendor, 'tts', fallbackLabel); 
+            const fallbackcredentials = cs.getSpeechCredentials(fallbackVendor, 'tts', fallbackLabel);
             const {span: fallbackSpan} = this.startChildSpan('fallback-tts-generation', {
               'tts.vendor': fallbackVendor,
               'tts.language': fallbackLanguage,
@@ -200,7 +200,7 @@ class TaskSay extends Task {
               executedVendor = fallbackVendor;
               executedLanguage = fallbackLanguage;
 
-            } catch (err){
+            } catch (err) {
               this.logger.info({err}, 'fallback Speech failed to synthesize audio');
               fallbackSpan.end();
               writeAlerts({