diff --git a/frontend/src/lib/@api/candidate.ts b/frontend/src/lib/@api/candidate.ts
index f9f057a..2b9da43 100644
--- a/frontend/src/lib/@api/candidate.ts
+++ b/frontend/src/lib/@api/candidate.ts
@@ -85,8 +85,9 @@ export const apiLogin = async (data: CandidateLogin): Promise<number> => {
 export const apiFillDetails = async (data: CandidateData): Promise<CandidateData> => {
 	// Sanitize candidate data
 	Object.keys(data.candidate).forEach((key) => {
-		// TODO: Enable DOMPurify onyl on string & number types
-		if (key === "grades") return;
+		// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+		// @ts-ignore
+		if (typeof data.candidate[key] !== 'string' && typeof data.candidate[key] !== 'number') return;
 		// eslint-disable-next-line @typescript-eslint/ban-ts-comment
 		// @ts-ignore
 		data.candidate[key] = DOMPurify.sanitize(data.candidate[key]);