diff --git a/vocodes/src/v2/tts/tts_result_view/TtsResultViewFc.tsx b/vocodes/src/v2/tts/tts_result_view/TtsResultViewFc.tsx
index c4d01b37bc..409135eaad 100644
--- a/vocodes/src/v2/tts/tts_result_view/TtsResultViewFc.tsx
+++ b/vocodes/src/v2/tts/tts_result_view/TtsResultViewFc.tsx
@@ -138,7 +138,7 @@ function TtsResultViewFc(props: Props) {
   }
 
   let modelCreatorDetails = <span>Anonymous user</span>;
-  if (ttsInferenceResult.maybe_model_creator_user_token !== undefined) {
+  if (!!ttsInferenceResult.maybe_model_creator_user_token) {
     let modelCreatorLink = `/profile/${ttsInferenceResult.maybe_model_creator_username}`;
     modelCreatorDetails = (
       <span>
diff --git a/vocodes/src/v2/w2l/w2l_result_view/W2lResultViewFc.tsx b/vocodes/src/v2/w2l/w2l_result_view/W2lResultViewFc.tsx
index 43b1188a97..23ec0d49c5 100644
--- a/vocodes/src/v2/w2l/w2l_result_view/W2lResultViewFc.tsx
+++ b/vocodes/src/v2/w2l/w2l_result_view/W2lResultViewFc.tsx
@@ -119,7 +119,7 @@ function W2lResultViewFc(props: Props) {
   }
 
   let creatorDetails = <span>Anonymous user</span>;
-  if (w2lInferenceResult.maybe_creator_user_token !== undefined) {
+  if (!!w2lInferenceResult.maybe_creator_user_token) {
     let creatorLink = `/profile/${w2lInferenceResult.maybe_creator_username}`;
     creatorDetails = (
       <span>
@@ -135,7 +135,7 @@ function W2lResultViewFc(props: Props) {
   }
 
   let templateCreatorDetails = <span>Anonymous user</span>;
-  if (w2lInferenceResult.maybe_template_creator_user_token !== undefined) {
+  if (!!w2lInferenceResult.maybe_template_creator_user_token) {
     let templateCreatorLink = `/profile/${w2lInferenceResult.maybe_template_creator_username}`;
     templateCreatorDetails = (
       <span>