diff --git a/src/libs/services/scrobbling/impl/listenbrainz/ListensSynchronizer.cpp b/src/libs/services/scrobbling/impl/listenbrainz/ListensSynchronizer.cpp
index db776aa9..a964686d 100644
--- a/src/libs/services/scrobbling/impl/listenbrainz/ListensSynchronizer.cpp
+++ b/src/libs/services/scrobbling/impl/listenbrainz/ListensSynchronizer.cpp
@@ -64,6 +64,7 @@ namespace
 
         Wt::Json::Object additionalInfo;
         additionalInfo["listening_from"] = "LMS";
+        additionalInfo["duration_ms"] = std::chrono::duration_cast<std::chrono::milliseconds>(track->getDuration()).count();
         if (track->getRelease())
         {
             if (auto MBID{ track->getRelease()->getMBID() })