diff --git a/js/controller.js b/js/controller.js
index ef47952..c8eec1d 100644
--- a/js/controller.js
+++ b/js/controller.js
@@ -30,7 +30,11 @@ function logIn() {
 		.catch(error => {
 			console.error(error);
 			buttonEnable(byId("login_button"));
-			byId("login_message").innerText = `${error}`;
+			if (error.xhr && error.xhr.responseJson && error.xhr.responseJson.message) {
+				byId("login_message").innerText = `Error: ${error.xhr.responseJson.message}`;
+			} else {
+				byId("login_message").innerText = `${error}`;
+			}
 		});
 }