diff --git a/src/sd_bot.cpp b/src/sd_bot.cpp
index cd15849..410e9b9 100644
--- a/src/sd_bot.cpp
+++ b/src/sd_bot.cpp
@@ -204,7 +204,7 @@ SDBot::SDBot(
 	Contact3Registry& cr,
 	RegistryMessageModelI& rmm,
 	ConfigModelI& conf
-) : _cr(cr), _rmm(rmm), _conf(conf) {
+) : _cr(cr), _rmm(rmm), _rmm_sr(_rmm.newSubRef(this)), _conf(conf) {
 	_rng.seed(std::random_device{}());
 	_rng.discard(3137);
 
@@ -252,7 +252,7 @@ SDBot::SDBot(
 		_conf.set("SDBot", "cfg_scale", 6.5);
 	}
 
-	_rmm.subscribe(this, RegistryMessageModel_Event::message_construct);
+	_rmm_sr.subscribe(RegistryMessageModel_Event::message_construct);
 }
 
 SDBot::~SDBot(void) {
diff --git a/src/sd_bot.hpp b/src/sd_bot.hpp
index f80eda4..d01d390 100644
--- a/src/sd_bot.hpp
+++ b/src/sd_bot.hpp
@@ -21,6 +21,7 @@ struct ConfigModelI;
 class SDBot : public RegistryMessageModelEventI {
 	Contact3Registry& _cr;
 	RegistryMessageModelI& _rmm;
+	RegistryMessageModelI::SubscriptionReference _rmm_sr;
 	ConfigModelI& _conf;
 
 	//TransferManager& _tm;