1 files changed, 10 insertions, 0 deletions
diff --git a/src/events/TopicEventContent.cc b/src/events/TopicEventContent.cc
index e8d99ee9..5acdba3e 100644
--- a/src/events/TopicEventContent.cc
+++ b/src/events/TopicEventContent.cc
@@ -31,3 +31,13 @@ void TopicEventContent::deserialize(const QJsonValue &data)
 
 	topic_ = object.value("topic").toString();
 }
+
+QJsonObject TopicEventContent::serialize() const
+{
+	QJsonObject object;
+
+	if (!topic_.isEmpty())
+		object["topic"] = topic_;
+
+	return object;
+}