diff --git a/backend/src/controllers/global-preferences/webhook-preferences.controller.ts b/backend/src/controllers/global-preferences/webhook-preferences.controller.ts
index 5c768a1..ec5706a 100644
--- a/backend/src/controllers/global-preferences/webhook-preferences.controller.ts
+++ b/backend/src/controllers/global-preferences/webhook-preferences.controller.ts
@@ -13,11 +13,15 @@ export const updateWebhookPreferences = async (req: Request, res: Response) => {
 
 	try {
 		const globalPreferences = await globalPrefService.getGlobalPreferences();
-		globalPreferences.webhooksPreferences.enabled = webhookPreferences.enabled;
 
-		if (webhookPreferences.url) {
-			globalPreferences.webhooksPreferences.url = webhookPreferences.url;
-		}
+		// TODO: Validate the URL if webhooks are enabled by making a test request
+		globalPreferences.webhooksPreferences = {
+			enabled: webhookPreferences.enabled,
+			url:
+				webhookPreferences.url === undefined
+					? globalPreferences.webhooksPreferences.url
+					: webhookPreferences.url
+		};
 
 		await globalPrefService.saveGlobalPreferences(globalPreferences);
 
diff --git a/backend/src/middlewares/request-validators/preferences-validator.middleware.ts b/backend/src/middlewares/request-validators/preferences-validator.middleware.ts
index e853d3e..7665d18 100644
--- a/backend/src/middlewares/request-validators/preferences-validator.middleware.ts
+++ b/backend/src/middlewares/request-validators/preferences-validator.middleware.ts
@@ -15,7 +15,11 @@ import { rejectUnprocessableRequest } from '../../models/error.model.js';
 const WebhookPreferencesSchema: z.ZodType<WebhookPreferences> = z
 	.object({
 		enabled: z.boolean(),
-		url: z.string().url().optional()
+		url: z
+			.string()
+			.url('Must be a valid URL')
+			.regex(/^https?:\/\//, { message: 'URL must start with http:// or https://' })
+			.optional()
 	})
 	.refine(
 		(data) => {