diff --git a/spectrum/src/frontends/slack/SlackSession.h b/spectrum/src/frontends/slack/SlackSession.h
index 7cb3962838cec43bed1154f1779ceaf51317244c..9164a6dedf7b7ca45b40ae38dffe0940d6713255 100644
--- a/spectrum/src/frontends/slack/SlackSession.h
+++ b/spectrum/src/frontends/slack/SlackSession.h
@@ -75,6 +75,7 @@ class SlackSession {
 
 		void handleSlackChannelCreate(HTTPRequest *req, bool ok, rapidjson::Document &resp, const std::string &data);
 		void handleSlackChannelList(HTTPRequest *req, bool ok, rapidjson::Document &resp, const std::string &data);
+		void handleSlackChannelInvite(HTTPRequest *req, bool ok, rapidjson::Document &resp, const std::string &data);
 
 		void sendOnlineBuddies();