diff --git a/Outpost/Support/OutlineImageProvider.swift b/Outpost/Support/OutlineImageProvider.swift
index 0d2a8c2..089364c 100644
--- a/Outpost/Support/OutlineImageProvider.swift
+++ b/Outpost/Support/OutlineImageProvider.swift
@@ -61,7 +61,7 @@ final class OutlineImageProvider: EmbeddedImageProvider, @unchecked Sendable {
         guard !alreadyLoading else { return }
 
         Task {
-            defer { lock.withLock { inFlight.remove(url) } }
+            defer { lock.withLock { _ = inFlight.remove(url) } }
             do {
                 let data: Data
                 if url.hasPrefix("http://") || url.hasPrefix("https://"), let externalURL = URL(string: url) {