diff --git a/SignalMessaging/ViewControllers/AttachmentApproval/AttachmentApprovalViewController.swift b/SignalMessaging/ViewControllers/AttachmentApproval/AttachmentApprovalViewController.swift
index 00dd02442..6c674f1b7 100644
--- a/SignalMessaging/ViewControllers/AttachmentApproval/AttachmentApprovalViewController.swift
+++ b/SignalMessaging/ViewControllers/AttachmentApproval/AttachmentApprovalViewController.swift
@@ -584,6 +584,8 @@ public class AttachmentApprovalViewController: UIPageViewController, UIPageViewC
             owsFailDebug("Could not prepare attachment for output: \(attachmentError).")
             return attachmentItem.attachment
         }
+        // Preserve caption text.
+        dstAttachment.captionText = attachmentItem.captionText
         return dstAttachment
     }