diff --git a/apps/spotlight/src/features/form-page/store/actions/initialize.ts b/apps/spotlight/src/features/form-page/store/actions/initialize.ts
index 997153e2..06e26213 100644
--- a/apps/spotlight/src/features/form-page/store/actions/initialize.ts
+++ b/apps/spotlight/src/features/form-page/store/actions/initialize.ts
@@ -9,7 +9,7 @@ export type Initialize = (
 
 export const initialize: Initialize = (ctx, opts) => {
   // Get the session ID from local storage so we can use it on page reload.
-  const sessionId = window.localStorage.getItem('form_session_id') || undefined;
+  const sessionId = window.localStorage.getItem(`form_session_id_${opts.formId}`) || undefined;
   getFormSession(ctx, {
     formId: opts.formId,
     route: opts.route,
diff --git a/apps/spotlight/src/features/form-page/store/actions/on-submit-form.ts b/apps/spotlight/src/features/form-page/store/actions/on-submit-form.ts
index 7a78214c..65d7422c 100644
--- a/apps/spotlight/src/features/form-page/store/actions/on-submit-form.ts
+++ b/apps/spotlight/src/features/form-page/store/actions/on-submit-form.ts
@@ -37,7 +37,7 @@ export const onSubmitForm: OnSubmitForm = async (ctx, opts) => {
         sessionId: submission.data.sessionId,
       },
     });
-    window.localStorage.setItem('form_session_id', submission.data.sessionId);
+    window.localStorage.setItem(`form_session_id_${opts.formId}`, submission.data.sessionId);
   } else {
     console.error(submission.error);
   }
diff --git a/packages/server/src/pages/forms/[id].test.ts b/packages/server/src/pages/forms/[id].test.ts
index 27680116..6c9ff8db 100644
--- a/packages/server/src/pages/forms/[id].test.ts
+++ b/packages/server/src/pages/forms/[id].test.ts
@@ -235,7 +235,7 @@ const submitForm = async (
     request: new Request(`http://localhost/forms/${formId}`, {
       method: 'POST',
       body: formData,
-      headers: sessionId ? { Cookie: `form_session_id=${sessionId}` } : {},
+      headers: sessionId ? { Cookie: `form_session_id_${formId}=${sessionId}` } : {},
     }),
   });