diff --git a/Shared/Account/AccountLoginView.swift b/Shared/Account/AccountLoginView.swift
index 05d2384..d420aa1 100644
--- a/Shared/Account/AccountLoginView.swift
+++ b/Shared/Account/AccountLoginView.swift
@@ -62,7 +62,6 @@ struct AccountLoginView: View {
                     if !(server.hasPrefix("https://") || server.hasPrefix("http://")) {
                         server = "https://\(server)"
                     }
-                    print(server)
                     // We only need the protocol and host from the URL, so drop anything else.
                     let url = URLComponents(string: server)
                     if let validURL = url {
@@ -73,7 +72,8 @@ struct AccountLoginView: View {
                         hostURL.host = host
                         server = hostURL.string ?? server
                     } else {
-                        // TODO: - throw an error if this is an invalid URL.
+                        model.loginErrorMessage = AccountError.invalidServerURL.localizedDescription
+                        model.isPresentingLoginErrorAlert = true
                     }
                     model.login(
                         to: URL(string: server)!,
diff --git a/Shared/Account/AccountModel.swift b/Shared/Account/AccountModel.swift
index 25683a5..0010a44 100644
--- a/Shared/Account/AccountModel.swift
+++ b/Shared/Account/AccountModel.swift
@@ -5,6 +5,7 @@ enum AccountError: Error {
     case invalidPassword
     case usernameNotFound
     case serverNotFound
+    case invalidServerURL
 }
 
 extension AccountError: LocalizedError {
@@ -25,6 +26,11 @@ extension AccountError: LocalizedError {
                 "Username not found. Did you use your email address by mistake?",
                 comment: ""
             )
+        case .invalidServerURL:
+            return NSLocalizedString(
+                "The server entered doesn't appear to be a valid URL. Please check what you've entered and try again.",
+                comment: ""
+            )
         }
     }
 }