diff --git a/packages/tracking/lib/form.ts b/packages/tracking/lib/form.ts
index 1bbf6aed4..3e163cac7 100644
--- a/packages/tracking/lib/form.ts
+++ b/packages/tracking/lib/form.ts
@@ -2,7 +2,11 @@ import { trackEvent } from "./base"
 
 export type FormType = "checkout" | "signup"
 
-export function trackFormInputStarted(type: FormType, nameSuffix?: string) {
+export function trackFormInputStarted(
+  type: FormType,
+  nameSuffix?: string,
+  startField?: string
+) {
   if (type === "checkout") {
     trackEvent({
       event: "formStart",
@@ -20,6 +24,7 @@ export function trackFormInputStarted(type: FormType, nameSuffix?: string) {
         name: "member registration" + nameSuffix,
         type: type,
       },
+      formStartField: startField,
     })
   }
 }
diff --git a/packages/tracking/lib/useFormTracking.ts b/packages/tracking/lib/useFormTracking.ts
index b2efd5284..b37548ecc 100644
--- a/packages/tracking/lib/useFormTracking.ts
+++ b/packages/tracking/lib/useFormTracking.ts
@@ -34,7 +34,7 @@ export function useFormTracking<T extends FieldValues>(
         }
 
         if (!formStarted) {
-          trackFormInputStarted(formType, nameSuffix)
+          trackFormInputStarted(formType, nameSuffix, lastAccessedField.current)
           setFormStarted(true)
         }
       },