diff --git a/dmp-frontend/src/common/forms/validation/custom-validator.ts b/dmp-frontend/src/common/forms/validation/custom-validator.ts
index c2554fa86..d63f66c79 100644
--- a/dmp-frontend/src/common/forms/validation/custom-validator.ts
+++ b/dmp-frontend/src/common/forms/validation/custom-validator.ts
@@ -43,7 +43,7 @@ export function RequiredWithVisibilityRulesValidator(visibilityRulesService: Vis
 }
 
 export function UrlValidator(): ValidatorFn{
-	const urlRegex = /^(?:http(s)?:\/\/)?[\w.-]+(?:\.[\w\.-]+)+[\w\-\._~:/?#[\]@!\$&'\(\)\*\+,;=.]+$/;
+	const urlRegex = /^(?:http(s)?:\/\/)[\w.-]+(?:\.[\w\.-]+)+[\w\-\._~:\/?#[\]@!\$&'\(\)\*\+,;=.]+$/;
 	return Validators.pattern(urlRegex);
 }