diff --git a/modules/protocol/inspircd.cpp b/modules/protocol/inspircd.cpp
index b8654b96c..e0cf20b85 100644
--- a/modules/protocol/inspircd.cpp
+++ b/modules/protocol/inspircd.cpp
@@ -315,7 +315,7 @@ public:
 
 	void SendTopic(const MessageSource &source, Channel *c) override
 	{
-		if (Servers::Capab.count("SVSTOPIC"))
+		if (Servers::Capab.count("TOPICLOCK"))
 		{
 			Uplink::Send(c->WhoSends(), "SVSTOPIC", c->name, c->topic_ts, c->topic_setter, c->topic);
 		}