diff --git a/lib/ido/hostgroupdbobject.cpp b/lib/ido/hostgroupdbobject.cpp
index 3e084452f..a90079850 100644
--- a/lib/ido/hostgroupdbobject.cpp
+++ b/lib/ido/hostgroupdbobject.cpp
@@ -22,16 +22,24 @@
 #include "ido/dbvalue.h"
 #include "icinga/hostgroup.h"
 #include "base/objectlock.h"
+#include "base/initialize.h"
+#include "base/logger_fwd.h"
 #include <boost/foreach.hpp>
 
 using namespace icinga;
 
 REGISTER_DBTYPE(HostGroup, "hostgroup", 3, "hostgroup_object_id", HostGroupDbObject);
+INITIALIZE_ONCE(HostGroupDbObject, &HostGroupDbObject::StaticInitialize);
 
 HostGroupDbObject::HostGroupDbObject(const DbType::Ptr& type, const String& name1, const String& name2)
 	: DbObject(type, name1, name2)
 { }
 
+void HostGroupDbObject::StaticInitialize(void)
+{
+	HostGroup::OnMembersChanged.connect(&HostGroupDbObject::MembersChangedHandler);
+}
+
 Dictionary::Ptr HostGroupDbObject::GetConfigFields(void) const
 {
 	Dictionary::Ptr fields = boost::make_shared<Dictionary>();
@@ -46,3 +54,13 @@ Dictionary::Ptr HostGroupDbObject::GetStatusFields(void) const
 {
 	return Empty;
 }
+
+void HostGroupDbObject::OnConfigUpdate(void)
+{
+	MembersChangedHandler();
+}
+
+void HostGroupDbObject::MembersChangedHandler(void)
+{
+	Log(LogWarning, "ido", "MOO");
+}
diff --git a/lib/ido/hostgroupdbobject.h b/lib/ido/hostgroupdbobject.h
index c9ce9a7ee..a09399045 100644
--- a/lib/ido/hostgroupdbobject.h
+++ b/lib/ido/hostgroupdbobject.h
@@ -38,8 +38,16 @@ public:
 
 	HostGroupDbObject(const DbType::Ptr& type, const String& name1, const String& name2);
 
+	static void StaticInitialize(void);
+
 	virtual Dictionary::Ptr GetConfigFields(void) const;
 	virtual Dictionary::Ptr GetStatusFields(void) const;
+
+protected:
+	virtual void OnConfigUpdate(void);
+
+private:
+	static void MembersChangedHandler(void);
 };
 
 }