diff --git a/Packages/GalleryVC/Sources/GalleryVC/Content/VideoGalleryContentViewController.swift b/Packages/GalleryVC/Sources/GalleryVC/Content/VideoGalleryContentViewController.swift
index 09f2751d..4afa609d 100644
--- a/Packages/GalleryVC/Sources/GalleryVC/Content/VideoGalleryContentViewController.swift
+++ b/Packages/GalleryVC/Sources/GalleryVC/Content/VideoGalleryContentViewController.swift
@@ -208,9 +208,9 @@ private class PlayerView: UIView {
         playerLayer.player = player
         playerLayer.videoGravity = .resizeAspect
         
-        presentationSizeObservation = item.observe(\.presentationSize, changeHandler: { [unowned self] _, _ in
+        presentationSizeObservation = item.observe(\.presentationSize, changeHandler: { [weak self] _, _ in
             MainActor.assumeIsolated {
-                self.invalidateIntrinsicContentSize()
+                self?.invalidateIntrinsicContentSize()
             }
         })
     }
diff --git a/Tusker/Views/Attachments/GifvController.swift b/Tusker/Views/Attachments/GifvController.swift
index b89bd2d5..d7992466 100644
--- a/Tusker/Views/Attachments/GifvController.swift
+++ b/Tusker/Views/Attachments/GifvController.swift
@@ -60,9 +60,9 @@ class GifvController {
     }
     
     private func updatePresentationSizeObservation() {
-        presentationSizeObservation = item.observe(\.presentationSize, changeHandler: { [unowned self] item, _ in
+        presentationSizeObservation = item.observe(\.presentationSize, changeHandler: { [weak self] item, _ in
             DispatchQueue.main.async {
-                self.presentationSizeSubject.send(item.presentationSize)
+                self?.presentationSizeSubject.send(item.presentationSize)
             }
         })
     }