diff --git a/Tusker/Screens/Compose/ComposeHostingController.swift b/Tusker/Screens/Compose/ComposeHostingController.swift
index 6e8e7580..2e7b1a86 100644
--- a/Tusker/Screens/Compose/ComposeHostingController.swift
+++ b/Tusker/Screens/Compose/ComposeHostingController.swift
@@ -88,7 +88,7 @@ class ComposeHostingController: UIHostingController<ComposeHostingController.Vie
         config.contentType = Preferences.shared.statusContentType
         config.requireAttachmentDescriptions = Preferences.shared.requireAttachmentDescriptions
         
-        config.dismiss = { [unowned self] in self.dismiss(mode: $0) }
+        config.dismiss = { [weak self] in self?.dismiss(mode: $0) }
         config.presentAssetPicker = { [unowned self] in self.presentAssetPicker(completion: $0) }
         config.presentDrawing = { [unowned self] in self.presentDrawing($0, completion: $1) }
         config.userActivityForDraft = { [unowned self] in