diff --git a/ts/background.preload.ts b/ts/background.preload.ts
index 09da91ace8..dc0a10a1e1 100644
--- a/ts/background.preload.ts
+++ b/ts/background.preload.ts
@@ -3358,8 +3358,10 @@ export async function startApp(): Promise<void> {
   }
 
   function onViewOnceOpenSync(ev: ViewOnceOpenSyncEvent): void {
-    const { sourceAci, timestamp } = ev;
-    log.info(`view once open sync ${sourceAci} ${timestamp}`);
+    const { sourceAci, timestamp, envelopeTimestamp } = ev;
+    log.info(
+      `view once open sync ${envelopeTimestamp} for message ${sourceAci} ${timestamp}`
+    );
     strictAssert(sourceAci, 'ViewOnceOpen without sourceAci');
     strictAssert(timestamp, 'ViewOnceOpen without timestamp');
 
diff --git a/ts/textsecure/MessageReceiver.preload.ts b/ts/textsecure/MessageReceiver.preload.ts
index e2e73d6a9a..459368aa0b 100644
--- a/ts/textsecure/MessageReceiver.preload.ts
+++ b/ts/textsecure/MessageReceiver.preload.ts
@@ -3196,6 +3196,7 @@ export default class MessageReceiver
           'handleViewOnceOpen.senderUuid'
         ),
         timestamp: sync.timestamp?.toNumber(),
+        envelopeTimestamp: envelope.timestamp,
       },
       this.#removeFromCache.bind(this, envelope)
     );
diff --git a/ts/textsecure/WebAPI.preload.ts b/ts/textsecure/WebAPI.preload.ts
index 113006b758..93befbf7aa 100644
--- a/ts/textsecure/WebAPI.preload.ts
+++ b/ts/textsecure/WebAPI.preload.ts
@@ -3539,6 +3539,7 @@ export async function sendMessagesUnauth(
     urgent,
   };
 
+  log.info(`send/${timestamp}/${destination}/sendMessagesUnauth`);
   await _ajax({
     host: 'chatService',
     call: 'messages',
@@ -3571,6 +3572,7 @@ export async function sendMessages(
     urgent,
   };
 
+  log.info(`send/${timestamp}/${destination}/sendMessages`);
   await _ajax({
     host: 'chatService',
     call: 'messages',
@@ -3606,6 +3608,7 @@ export async function sendWithSenderKey(
   const urgentParam = `&urgent=${booleanToString(urgent)}`;
   const storyParam = `&story=${booleanToString(story)}`;
 
+  log.info(`send/${timestamp}/<multiple>/sendWithSenderKey`);
   const response = await _ajax({
     host: 'chatService',
     call: 'multiRecipient',
diff --git a/ts/textsecure/messageReceiverEvents.std.ts b/ts/textsecure/messageReceiverEvents.std.ts
index 3c34cda260..b3f6848969 100644
--- a/ts/textsecure/messageReceiverEvents.std.ts
+++ b/ts/textsecure/messageReceiverEvents.std.ts
@@ -300,21 +300,24 @@ export class ConfigurationEvent extends ConfirmableEvent {
 export type ViewOnceOpenSyncOptions = {
   sourceAci?: AciString;
   timestamp?: number;
+  envelopeTimestamp: number;
 };
 
 export class ViewOnceOpenSyncEvent extends ConfirmableEvent {
   public readonly sourceAci?: AciString;
 
+  public readonly envelopeTimestamp: number;
   public readonly timestamp?: number;
 
   constructor(
-    { sourceAci, timestamp }: ViewOnceOpenSyncOptions,
+    { sourceAci, timestamp, envelopeTimestamp }: ViewOnceOpenSyncOptions,
     confirm: ConfirmCallback
   ) {
     super('viewOnceOpenSync', confirm);
 
     this.sourceAci = sourceAci;
     this.timestamp = timestamp;
+    this.envelopeTimestamp = envelopeTimestamp;
   }
 }