diff --git a/Tusker/Screens/Compose/ComposeViewController.swift b/Tusker/Screens/Compose/ComposeViewController.swift
index a3eb3c85..b33547d2 100644
--- a/Tusker/Screens/Compose/ComposeViewController.swift
+++ b/Tusker/Screens/Compose/ComposeViewController.swift
@@ -50,7 +50,8 @@ class ComposeViewController: UIViewController {
     var mentioningAcct: String?
     var text: String?
     
-    var xcbSession: XCBSession?
+    // Weak so that if a new session is initiated (i.e. XCBManager.currentSession is changed) while the current one is in progress, this one will be released
+    weak var xcbSession: XCBSession?
     
     var contentWarning = false {
         didSet {