diff --git a/Tusker/Screens/Onboarding/InstanceSelectorTableViewController.swift b/Tusker/Screens/Onboarding/InstanceSelectorTableViewController.swift
index 572e2b2f..9d48ca6f 100644
--- a/Tusker/Screens/Onboarding/InstanceSelectorTableViewController.swift
+++ b/Tusker/Screens/Onboarding/InstanceSelectorTableViewController.swift
@@ -26,6 +26,7 @@ class InstanceSelectorTableViewController: UITableViewController {
     var recommendedInstances: [InstanceSelector.Instance] = []
     
     let urlCheckerSubject = PassthroughSubject<String?, Never>()
+    var urlHandler: AnyCancellable?
     var currentQuery: String?
     
     init() {
@@ -66,7 +67,7 @@ class InstanceSelectorTableViewController: UITableViewController {
         navigationItem.searchController = searchController
         definesPresentationContext = true
         
-        _ = urlCheckerSubject
+        urlHandler = urlCheckerSubject
             .debounce(for: .seconds(1), scheduler: RunLoop.main)
             .compactMap { $0?.trimmingCharacters(in: .whitespacesAndNewlines) }
             .sink(receiveValue: updateSpecificInstance)