diff --git a/Tusker/Screens/Onboarding/OnboardingViewController.swift b/Tusker/Screens/Onboarding/OnboardingViewController.swift
index b40d62a30c..1e6f612988 100644
--- a/Tusker/Screens/Onboarding/OnboardingViewController.swift
+++ b/Tusker/Screens/Onboarding/OnboardingViewController.swift
@@ -69,8 +69,10 @@ class OnboardingViewController: UIViewController {
                     }
                 }
             }
-            self.authenticationSession!.presentationContextProvider = self
-            self.authenticationSession!.start()
+            DispatchQueue.main.async {
+                self.authenticationSession!.presentationContextProvider = self
+                self.authenticationSession!.start()
+            }
         }
     }