diff --git a/src/models/Signup.ts b/src/models/Signup.ts
index 0997385..0bd738d 100644
--- a/src/models/Signup.ts
+++ b/src/models/Signup.ts
@@ -2,7 +2,7 @@ import { OptionTypes } from "@components/Widgets/SignupQuestionsWidget/common";
 
 export interface Signup {
   id?: number; // Database id for completed signup
-  submitKey?: string; // Signup request idempotency key
+  submit_id?: string; // Signup request idempotency key
   signupForm_id: number;
   answer: string;
 }
diff --git a/src/pages/signup/[id].tsx b/src/pages/signup/[id].tsx
index a2d7301..855aff5 100644
--- a/src/pages/signup/[id].tsx
+++ b/src/pages/signup/[id].tsx
@@ -24,7 +24,7 @@ const FORM_URL = `${process.env.NEXT_PUBLIC_API_URL}/signupForm/`;
 const SignUpPage: NextPage<InitialProps> = ({ initialForm }) => {
   const router = useRouter();
   const id = String(initialForm?.id ?? "");
-  const submitKey = uuid(); // Submission key, generated on page refresh
+  const SUBMIT_ID = uuid(); // Submission key, generated on page refresh
   const URL = `${FORM_URL}${id}/`;
   const { data: signupForm, error } = useSWR<SignupForm>(URL, (url) => axios.get(url).then((res) => res.data), { fallbackData: initialForm });
 
@@ -45,7 +45,7 @@ const SignUpPage: NextPage<InitialProps> = ({ initialForm }) => {
 
   const onSubmit = async ({ formData }: ISubmitEvent<string>) => {
     const payload: Signup = {
-      submitKey, // This is for preventing duplicate requests; NOT RELATED TO THE SIGNUP ID IN DATABASE
+      submit_id: SUBMIT_ID, // This is for preventing duplicate requests; NOT RELATED TO THE SIGNUP ID IN DATABASE
       signupForm_id: signupForm.id,
       answer: formData,
     };