diff --git a/apps/demo-nextjs-app-router/app/comfy/image_to_image/workflow.tsx b/apps/demo-nextjs-app-router/app/comfy/image_to_image/workflow.tsx
index 2e098f0..0e43d41 100644
--- a/apps/demo-nextjs-app-router/app/comfy/image_to_image/workflow.tsx
+++ b/apps/demo-nextjs-app-router/app/comfy/image_to_image/workflow.tsx
@@ -92,7 +92,7 @@ const WORKFLOW = {
 };
 
 export default function getWorkflow(object: any) {
-  let newWorkflow = JSON.parse(JSON.stringify(WORKFLOW));
+  const newWorkflow = JSON.parse(JSON.stringify(WORKFLOW));
   newWorkflow.fal_inputs = {
     ...newWorkflow.fal_inputs,
     ...object,
diff --git a/apps/demo-nextjs-app-router/app/comfy/image_to_video/workflow.tsx b/apps/demo-nextjs-app-router/app/comfy/image_to_video/workflow.tsx
index d4ea952..fc3baba 100644
--- a/apps/demo-nextjs-app-router/app/comfy/image_to_video/workflow.tsx
+++ b/apps/demo-nextjs-app-router/app/comfy/image_to_video/workflow.tsx
@@ -81,7 +81,7 @@ const WORKFLOW = {
 };
 
 export default function getWorkflow(object: any) {
-  let newWorkflow = JSON.parse(JSON.stringify(WORKFLOW));
+  const newWorkflow = JSON.parse(JSON.stringify(WORKFLOW));
   newWorkflow.fal_inputs = {
     ...newWorkflow.fal_inputs,
     ...object,
diff --git a/apps/demo-nextjs-app-router/app/comfy/text_to_image/workflow.tsx b/apps/demo-nextjs-app-router/app/comfy/text_to_image/workflow.tsx
index 3299e72..30ea0d4 100644
--- a/apps/demo-nextjs-app-router/app/comfy/text_to_image/workflow.tsx
+++ b/apps/demo-nextjs-app-router/app/comfy/text_to_image/workflow.tsx
@@ -93,7 +93,7 @@ const WORKFLOW = {
 };
 
 export default function getWorkflow(object: any) {
-  let newWorkflow = JSON.parse(JSON.stringify(WORKFLOW));
+  const newWorkflow = JSON.parse(JSON.stringify(WORKFLOW));
   newWorkflow.fal_inputs = {
     ...newWorkflow.fal_inputs,
     ...object,