diff --git a/frontend/static/js/add.js b/frontend/static/js/add.js
index 58d9c4b..34847a7 100644
--- a/frontend/static/js/add.js
+++ b/frontend/static/js/add.js
@@ -52,7 +52,7 @@ function addReminder() {
 	})
 	.catch(e => {
 		if (e === 401) {
-			window.location.href = url_prefix;
+			window.location.href = `${url_prefix}/`;
 		} else if (e === 400) {
 			inputs.time.classList.add('error-input');
 			inputs.time.title = 'Time is in the past';
@@ -158,7 +158,7 @@ function testReminder() {
 	})
 	.catch(e => {
 		if (e === 401) {
-			window.location.href = url_prefix;
+			window.location.href = `${url_prefix}/`;
 		};
 	});
 };
diff --git a/frontend/static/js/edit.js b/frontend/static/js/edit.js
index 42ad2e3..080e007 100644
--- a/frontend/static/js/edit.js
+++ b/frontend/static/js/edit.js
@@ -51,7 +51,7 @@ function editReminder() {
 	})
 	.catch(e => {
 		if (e === 401) {
-			window.location.href = url_prefix;
+			window.location.href = `${url_prefix}/`;
 		} else {
 			console.log(e);
 		};
@@ -99,7 +99,7 @@ function showEdit(id) {
 	})
 	.catch(e => {
 		if (e === 401) {
-			window.location.href = url_prefix;
+			window.location.href = `${url_prefix}/`;
 		} else if (e === 404) {
 			fillList();
 		} else {
@@ -142,7 +142,7 @@ function deleteReminder() {
 	})
 	.catch(e => {
 		if (e === 401) {
-			window.location.href = url_prefix;
+			window.location.href = `${url_prefix}/`;
 		} else if (e === 404) {
 			fillList();
 		} else {
diff --git a/frontend/static/js/general.js b/frontend/static/js/general.js
index 83a7142..bb18ab8 100644
--- a/frontend/static/js/general.js
+++ b/frontend/static/js/general.js
@@ -4,7 +4,7 @@ function logout() {
 	})
 	.then(response => {
 		sessionStorage.removeItem('api_key');
-		window.location.href = url_prefix || '/';
+		window.location.href = `${url_prefix}/`;
 	});
 };
 
@@ -52,7 +52,7 @@ function showTab(tab_id, button_id, load_function=null) {
 const url_prefix = document.getElementById('url_prefix').dataset.value;
 const api_key = sessionStorage.getItem('api_key');
 if (api_key === null) {
-	window.location.href = url_prefix;
+	window.location.href = `${url_prefix}/`;
 };
 
 document.getElementById('toggle-nav').addEventListener('click', e => toggleNav());
diff --git a/frontend/static/js/notification.js b/frontend/static/js/notification.js
index f6b6cc0..c3c8b8c 100644
--- a/frontend/static/js/notification.js
+++ b/frontend/static/js/notification.js
@@ -87,7 +87,7 @@ function fillNotificationSelection() {
 	})
 	.catch(e => {
 		if (e === 401) {
-			window.location.href = url_prefix;
+			window.location.href = `${url_prefix}/`;
 		} else {
 			console.log(e);
 		};
@@ -113,7 +113,7 @@ function deleteService(id) {
 	})
 	.catch(e => {
 		if (e.error === 'ApiKeyExpired' || e.error === 'ApiKeyInvalid') {
-			window.location.href = url_prefix;
+			window.location.href = `${url_prefix}/`;
 		} else if (e.error === 'NotificationServiceInUse') {
 			const delete_button = row.querySelector('button[title="Delete"]');
 			delete_button.classList.add('error-icon');
@@ -151,7 +151,7 @@ function saveService(id) {
 	})
 	.catch(e => {
 		if (e === 401) {
-			window.location.href = url_prefix;
+			window.location.href = `${url_prefix}/`;
 		} else if (e === 400) {
 			save_button.classList.add('error-icon');
 			save_button.title = 'Invalid Apprise URL';
@@ -199,7 +199,7 @@ function addService() {
 	})
 	.catch(e => {
 		if (e === 401) {
-			window.location.href = url_prefix;
+			window.location.href = `${url_prefix}/`;
 		} else if (e === 400) {
 			inputs_buttons.save_button.classList.add('error-icon');
 			inputs_buttons.save_button.title = 'Invalid Apprise URL';
diff --git a/frontend/static/js/reminders.js b/frontend/static/js/reminders.js
index 54af9c7..892f7a8 100644
--- a/frontend/static/js/reminders.js
+++ b/frontend/static/js/reminders.js
@@ -55,7 +55,7 @@ function fillList() {
 	})
 	.catch(e => {
 		if (e === 401) {
-			window.location.href = url_prefix;
+			window.location.href = `${url_prefix}/`;
 		} else {
 			console.log(e);
 		};
@@ -77,7 +77,7 @@ function search() {
 	})
 	.catch(e => {
 		if (e === 401) {
-			window.location.href = url_prefix;
+			window.location.href = `${url_prefix}/`;
 		} else {
 			console.log(e);
 		};
diff --git a/frontend/static/js/settings.js b/frontend/static/js/settings.js
index 9065cc5..80698e9 100644
--- a/frontend/static/js/settings.js
+++ b/frontend/static/js/settings.js
@@ -16,7 +16,7 @@ function changePassword() {
 	})
 	.catch(e => {
 		if (e === 401) {
-			window.location.href = url_prefix;
+			window.location.href = `${url_prefix}/`;
 		} else {
 			console.log(e);
 		};
@@ -28,7 +28,7 @@ function deleteAccount() {
 		'method': 'DELETE'
 	})
 	.then(response => {
-		window.location.href = url_prefix;
+		window.location.href = `${url_prefix}/`;
 	});
 };
 
diff --git a/frontend/static/js/templates.js b/frontend/static/js/templates.js
index b7ff021..306a593 100644
--- a/frontend/static/js/templates.js
+++ b/frontend/static/js/templates.js
@@ -57,7 +57,7 @@ function loadTemplates(force=true) {
 	})
 	.catch(e => {
 		if (e === 401) {
-			window.location.href = url_prefix;
+			window.location.href = `${url_prefix}/`;
 		} else {
 			console.log(e);
 		};
@@ -99,7 +99,7 @@ function loadTemplate() {
 		})
 		.catch(e => {
 			if (e === 401) {
-				window.location.href = url_prefix;
+				window.location.href = `${url_prefix}/`;
 			} else {
 				console.log(e);
 			};
@@ -134,7 +134,7 @@ function addTemplate() {
 	})
 	.catch(e => {
 		if (e === 401) {
-			window.location.href = url_prefix;
+			window.location.href = `${url_prefix}/`;
 		} else {
 			console.log(e);
 		};
@@ -177,7 +177,7 @@ function showEditTemplate(id) {
 	})
 	.catch(e => {
 		if (e === 401) {
-			window.location.href = url_prefix;
+			window.location.href = `${url_prefix}/`;
 		} else {
 			console.log(e);
 		};
@@ -210,7 +210,7 @@ function saveTemplate() {
 	})
 	.catch(e => {
 		if (e === 401) {
-			window.location.href = url_prefix;
+			window.location.href = `${url_prefix}/`;
 		} else {
 			console.log(e);
 		};
@@ -233,7 +233,7 @@ function deleteTemplate() {
 	})
 	.catch(e => {
 		if (e === 401) {
-			window.location.href = url_prefix;
+			window.location.href = `${url_prefix}/`;
 		} else {
 			console.log(e);
 		};