diff --git a/src/ce_observer.pas b/src/ce_observer.pas
index 36e20754..7b5e1623 100644
--- a/src/ce_observer.pas
+++ b/src/ce_observer.pas
@@ -111,6 +111,7 @@ destructor TCEEntitiesConnector.destroy;
 begin
   fObservers.Free;
   fSubjects.Free;
+  fServices.Free;
   inherited;
 end;