diff --git a/SignalServiceKit/src/Network/MessageSenderJobQueue.swift b/SignalServiceKit/src/Network/MessageSenderJobQueue.swift
index 573e80335b..9645e85e26 100644
--- a/SignalServiceKit/src/Network/MessageSenderJobQueue.swift
+++ b/SignalServiceKit/src/Network/MessageSenderJobQueue.swift
@@ -156,7 +156,8 @@ public class MessageSenderJobQueue: NSObject, JobQueue {
                 return
             }
             guard let interaction = TSInteraction.anyFetch(uniqueId: messageId, transaction: transaction) else {
-                owsFailDebug("Missing interaction")
+                // Interaction may have been deleted.
+                Logger.warn("Missing interaction")
                 return
             }
             block(interaction, stop)