diff --git a/spectrum/src/frontends/slack/SlackAPI.h b/spectrum/src/frontends/slack/SlackAPI.h
index 9c4c315bfa22bd40f99dfd59c671b1a02e8051a1..49f3a0c602a7586410002c25f06cfa5f951be955 100644
--- a/spectrum/src/frontends/slack/SlackAPI.h
+++ b/spectrum/src/frontends/slack/SlackAPI.h
@@ -69,7 +69,7 @@ class SlackUserInfo {
 
 class SlackAPI : public HTTPRequestQueue {
 	public:
-		SlackAPI(Component *component, SlackIdManager *idManager, const std::string &token);
+		SlackAPI(Component *component, SlackIdManager *idManager, const std::string &token, const std::string &domain);
 
 		virtual ~SlackAPI();
 
@@ -107,6 +107,7 @@ class SlackAPI : public HTTPRequestQueue {
 		Component *m_component;
 		SlackIdManager *m_idManager;
 		std::string m_token;
+		std::string m_domain;
 };
 
 }