diff --git a/src/Client.js b/src/Client.js
index e9f8b98..3cf24fe 100644
--- a/src/Client.js
+++ b/src/Client.js
@@ -1026,6 +1026,7 @@ class Client extends EventEmitter {
             sendMediaAsDocument: options.sendMediaAsDocument,
             sendMediaAsHd: options.sendMediaAsHd,
             caption: options.caption,
+            isCaptionByUser: options.caption ? true : false,
             quotedMessageId: options.quotedMessageId,
             parseVCards: options.parseVCards !== false,
             mentionedJidList: options.mentions || [],