diff --git a/src/common/inbound.c b/src/common/inbound.c
index ddd6ee9a..d4b5a32e 100644
--- a/src/common/inbound.c
+++ b/src/common/inbound.c
@@ -1728,6 +1728,7 @@ static const char * const supported_caps[] = {
 	"setname",
 	"invite-notify",
 	"account-tag",
+	"extended-monitor",
 
 	/* ZNC */
 	"znc.in/server-time-iso",