diff --git a/fixtures/webstudio-cloudflare-template/app/routes/_index.tsx b/fixtures/webstudio-cloudflare-template/app/routes/_index.tsx
index e8340acd13fb..7857f961298c 100644
--- a/fixtures/webstudio-cloudflare-template/app/routes/_index.tsx
+++ b/fixtures/webstudio-cloudflare-template/app/routes/_index.tsx
@@ -267,7 +267,10 @@ export const action = async ({
 
     const submitTime = parseInt(formBotValue, 16);
     // 5 minutes
-    if (Math.abs(Date.now() - submitTime) > 1000 * 60 * 5) {
+    if (
+      Number.isNaN(submitTime) ||
+      Math.abs(Date.now() - submitTime) > 1000 * 60 * 5
+    ) {
       throw new Error(`Form bot value invalid ${formBotValue}`);
     }
 
diff --git a/fixtures/webstudio-custom-template/app/routes/[script-test]._index.tsx b/fixtures/webstudio-custom-template/app/routes/[script-test]._index.tsx
index 9b348ff4a71d..2994e77d7796 100644
--- a/fixtures/webstudio-custom-template/app/routes/[script-test]._index.tsx
+++ b/fixtures/webstudio-custom-template/app/routes/[script-test]._index.tsx
@@ -267,7 +267,10 @@ export const action = async ({
 
     const submitTime = parseInt(formBotValue, 16);
     // 5 minutes
-    if (Math.abs(Date.now() - submitTime) > 1000 * 60 * 5) {
+    if (
+      Number.isNaN(submitTime) ||
+      Math.abs(Date.now() - submitTime) > 1000 * 60 * 5
+    ) {
       throw new Error(`Form bot value invalid ${formBotValue}`);
     }
 
diff --git a/fixtures/webstudio-custom-template/app/routes/[world]._index.tsx b/fixtures/webstudio-custom-template/app/routes/[world]._index.tsx
index d11a2cf51d87..309b5877df29 100644
--- a/fixtures/webstudio-custom-template/app/routes/[world]._index.tsx
+++ b/fixtures/webstudio-custom-template/app/routes/[world]._index.tsx
@@ -267,7 +267,10 @@ export const action = async ({
 
     const submitTime = parseInt(formBotValue, 16);
     // 5 minutes
-    if (Math.abs(Date.now() - submitTime) > 1000 * 60 * 5) {
+    if (
+      Number.isNaN(submitTime) ||
+      Math.abs(Date.now() - submitTime) > 1000 * 60 * 5
+    ) {
       throw new Error(`Form bot value invalid ${formBotValue}`);
     }
 
diff --git a/fixtures/webstudio-custom-template/app/routes/_index.tsx b/fixtures/webstudio-custom-template/app/routes/_index.tsx
index e8340acd13fb..7857f961298c 100644
--- a/fixtures/webstudio-custom-template/app/routes/_index.tsx
+++ b/fixtures/webstudio-custom-template/app/routes/_index.tsx
@@ -267,7 +267,10 @@ export const action = async ({
 
     const submitTime = parseInt(formBotValue, 16);
     // 5 minutes
-    if (Math.abs(Date.now() - submitTime) > 1000 * 60 * 5) {
+    if (
+      Number.isNaN(submitTime) ||
+      Math.abs(Date.now() - submitTime) > 1000 * 60 * 5
+    ) {
       throw new Error(`Form bot value invalid ${formBotValue}`);
     }
 
diff --git a/fixtures/webstudio-remix-netlify-edge-functions/app/routes/_index.tsx b/fixtures/webstudio-remix-netlify-edge-functions/app/routes/_index.tsx
index e8340acd13fb..7857f961298c 100644
--- a/fixtures/webstudio-remix-netlify-edge-functions/app/routes/_index.tsx
+++ b/fixtures/webstudio-remix-netlify-edge-functions/app/routes/_index.tsx
@@ -267,7 +267,10 @@ export const action = async ({
 
     const submitTime = parseInt(formBotValue, 16);
     // 5 minutes
-    if (Math.abs(Date.now() - submitTime) > 1000 * 60 * 5) {
+    if (
+      Number.isNaN(submitTime) ||
+      Math.abs(Date.now() - submitTime) > 1000 * 60 * 5
+    ) {
       throw new Error(`Form bot value invalid ${formBotValue}`);
     }
 
diff --git a/fixtures/webstudio-remix-netlify-functions/app/routes/_index.tsx b/fixtures/webstudio-remix-netlify-functions/app/routes/_index.tsx
index e8340acd13fb..7857f961298c 100644
--- a/fixtures/webstudio-remix-netlify-functions/app/routes/_index.tsx
+++ b/fixtures/webstudio-remix-netlify-functions/app/routes/_index.tsx
@@ -267,7 +267,10 @@ export const action = async ({
 
     const submitTime = parseInt(formBotValue, 16);
     // 5 minutes
-    if (Math.abs(Date.now() - submitTime) > 1000 * 60 * 5) {
+    if (
+      Number.isNaN(submitTime) ||
+      Math.abs(Date.now() - submitTime) > 1000 * 60 * 5
+    ) {
       throw new Error(`Form bot value invalid ${formBotValue}`);
     }
 
diff --git a/fixtures/webstudio-remix-vercel/app/routes/[_route_with_symbols_]._index.tsx b/fixtures/webstudio-remix-vercel/app/routes/[_route_with_symbols_]._index.tsx
index 5fa7004c98a2..682ca81af5ee 100644
--- a/fixtures/webstudio-remix-vercel/app/routes/[_route_with_symbols_]._index.tsx
+++ b/fixtures/webstudio-remix-vercel/app/routes/[_route_with_symbols_]._index.tsx
@@ -267,7 +267,10 @@ export const action = async ({
 
     const submitTime = parseInt(formBotValue, 16);
     // 5 minutes
-    if (Math.abs(Date.now() - submitTime) > 1000 * 60 * 5) {
+    if (
+      Number.isNaN(submitTime) ||
+      Math.abs(Date.now() - submitTime) > 1000 * 60 * 5
+    ) {
       throw new Error(`Form bot value invalid ${formBotValue}`);
     }
 
diff --git a/fixtures/webstudio-remix-vercel/app/routes/[form]._index.tsx b/fixtures/webstudio-remix-vercel/app/routes/[form]._index.tsx
index f574e837c1ea..769db973b8f7 100644
--- a/fixtures/webstudio-remix-vercel/app/routes/[form]._index.tsx
+++ b/fixtures/webstudio-remix-vercel/app/routes/[form]._index.tsx
@@ -267,7 +267,10 @@ export const action = async ({
 
     const submitTime = parseInt(formBotValue, 16);
     // 5 minutes
-    if (Math.abs(Date.now() - submitTime) > 1000 * 60 * 5) {
+    if (
+      Number.isNaN(submitTime) ||
+      Math.abs(Date.now() - submitTime) > 1000 * 60 * 5
+    ) {
       throw new Error(`Form bot value invalid ${formBotValue}`);
     }
 
diff --git a/fixtures/webstudio-remix-vercel/app/routes/[heading-with-id]._index.tsx b/fixtures/webstudio-remix-vercel/app/routes/[heading-with-id]._index.tsx
index c4f95d45e6b0..9bd58053aa13 100644
--- a/fixtures/webstudio-remix-vercel/app/routes/[heading-with-id]._index.tsx
+++ b/fixtures/webstudio-remix-vercel/app/routes/[heading-with-id]._index.tsx
@@ -267,7 +267,10 @@ export const action = async ({
 
     const submitTime = parseInt(formBotValue, 16);
     // 5 minutes
-    if (Math.abs(Date.now() - submitTime) > 1000 * 60 * 5) {
+    if (
+      Number.isNaN(submitTime) ||
+      Math.abs(Date.now() - submitTime) > 1000 * 60 * 5
+    ) {
       throw new Error(`Form bot value invalid ${formBotValue}`);
     }
 
diff --git a/fixtures/webstudio-remix-vercel/app/routes/[nested].[nested-page]._index.tsx b/fixtures/webstudio-remix-vercel/app/routes/[nested].[nested-page]._index.tsx
index 2f35feb0710d..bcd78b155c8f 100644
--- a/fixtures/webstudio-remix-vercel/app/routes/[nested].[nested-page]._index.tsx
+++ b/fixtures/webstudio-remix-vercel/app/routes/[nested].[nested-page]._index.tsx
@@ -267,7 +267,10 @@ export const action = async ({
 
     const submitTime = parseInt(formBotValue, 16);
     // 5 minutes
-    if (Math.abs(Date.now() - submitTime) > 1000 * 60 * 5) {
+    if (
+      Number.isNaN(submitTime) ||
+      Math.abs(Date.now() - submitTime) > 1000 * 60 * 5
+    ) {
       throw new Error(`Form bot value invalid ${formBotValue}`);
     }
 
diff --git a/fixtures/webstudio-remix-vercel/app/routes/[radix]._index.tsx b/fixtures/webstudio-remix-vercel/app/routes/[radix]._index.tsx
index 9f78fc2381ff..7656b7fd9a2f 100644
--- a/fixtures/webstudio-remix-vercel/app/routes/[radix]._index.tsx
+++ b/fixtures/webstudio-remix-vercel/app/routes/[radix]._index.tsx
@@ -267,7 +267,10 @@ export const action = async ({
 
     const submitTime = parseInt(formBotValue, 16);
     // 5 minutes
-    if (Math.abs(Date.now() - submitTime) > 1000 * 60 * 5) {
+    if (
+      Number.isNaN(submitTime) ||
+      Math.abs(Date.now() - submitTime) > 1000 * 60 * 5
+    ) {
       throw new Error(`Form bot value invalid ${formBotValue}`);
     }
 
diff --git a/fixtures/webstudio-remix-vercel/app/routes/[resources]._index.tsx b/fixtures/webstudio-remix-vercel/app/routes/[resources]._index.tsx
index 7e6c36bc09a5..0f42ed0f0af8 100644
--- a/fixtures/webstudio-remix-vercel/app/routes/[resources]._index.tsx
+++ b/fixtures/webstudio-remix-vercel/app/routes/[resources]._index.tsx
@@ -267,7 +267,10 @@ export const action = async ({
 
     const submitTime = parseInt(formBotValue, 16);
     // 5 minutes
-    if (Math.abs(Date.now() - submitTime) > 1000 * 60 * 5) {
+    if (
+      Number.isNaN(submitTime) ||
+      Math.abs(Date.now() - submitTime) > 1000 * 60 * 5
+    ) {
       throw new Error(`Form bot value invalid ${formBotValue}`);
     }
 
diff --git a/fixtures/webstudio-remix-vercel/app/routes/_index.tsx b/fixtures/webstudio-remix-vercel/app/routes/_index.tsx
index e8340acd13fb..7857f961298c 100644
--- a/fixtures/webstudio-remix-vercel/app/routes/_index.tsx
+++ b/fixtures/webstudio-remix-vercel/app/routes/_index.tsx
@@ -267,7 +267,10 @@ export const action = async ({
 
     const submitTime = parseInt(formBotValue, 16);
     // 5 minutes
-    if (Math.abs(Date.now() - submitTime) > 1000 * 60 * 5) {
+    if (
+      Number.isNaN(submitTime) ||
+      Math.abs(Date.now() - submitTime) > 1000 * 60 * 5
+    ) {
       throw new Error(`Form bot value invalid ${formBotValue}`);
     }
 
diff --git a/packages/cli/templates/defaults/app/route-templates/html.tsx b/packages/cli/templates/defaults/app/route-templates/html.tsx
index 8fabbe4a4524..970ca1d4cd91 100644
--- a/packages/cli/templates/defaults/app/route-templates/html.tsx
+++ b/packages/cli/templates/defaults/app/route-templates/html.tsx
@@ -267,7 +267,10 @@ export const action = async ({
 
     const submitTime = parseInt(formBotValue, 16);
     // 5 minutes
-    if (Math.abs(Date.now() - submitTime) > 1000 * 60 * 5) {
+    if (
+      Number.isNaN(submitTime) ||
+      Math.abs(Date.now() - submitTime) > 1000 * 60 * 5
+    ) {
       throw new Error(`Form bot value invalid ${formBotValue}`);
     }