diff --git a/interfaces/IMonitor.h b/interfaces/IMonitor.h
index c4464ef..f108337 100644
--- a/interfaces/IMonitor.h
+++ b/interfaces/IMonitor.h
@@ -61,7 +61,7 @@ namespace Exchange {
             // @param callsign: Callsign of the service the Monitor acted upon
             // @param action: The action executed by the Monitor on a service. One of: Activate, Deactivate, StoppedRestarting
             // @param reason: A message describing the reason the action was taken
-            virtual void Actionconst string& callsign, const action value, const string& reason) = 0;
+            virtual void Action(const string& callsign, const action value, const string& reason) = 0;
         };
 
         // Pushing notifications to interested sinks