diff --git a/Tusker/Screens/Onboarding/OnboardingViewController.swift b/Tusker/Screens/Onboarding/OnboardingViewController.swift
index 36f2e775..5e6553f7 100644
--- a/Tusker/Screens/Onboarding/OnboardingViewController.swift
+++ b/Tusker/Screens/Onboarding/OnboardingViewController.swift
@@ -245,10 +245,17 @@ extension OnboardingViewController {
 
 extension OnboardingViewController: InstanceSelectorTableViewControllerDelegate {
     func didSelectInstance(url instanceURL: URL) {
-        Task {
-            await self.login(to: instanceURL)
-            instanceSelector.tableView.selectRow(at: nil, animated: true, scrollPosition: .none)
-        }
+        let alert = UIAlertController(title: "Terms of Service", message: "By logging in to '\(instanceURL.host!)', you agree to follow all applicable rules and terms of service for that instance.", preferredStyle: .alert)
+        alert.addAction(UIAlertAction(title: "Cancel", style: .cancel, handler: { [unowned self] _ in
+            self.instanceSelector.tableView.selectRow(at: nil, animated: false, scrollPosition: .none)
+        }))
+        alert.addAction(UIAlertAction(title: "Continue", style: .default, handler: { [unowned self] _ in
+            Task {
+                await self.login(to: instanceURL)
+                self.instanceSelector.tableView.selectRow(at: nil, animated: true, scrollPosition: .none)
+            }
+        }))
+        present(alert, animated: true)
     }
 }