diff --git a/plugins/plugin_message_n10n.cpp b/plugins/plugin_message_n10n.cpp
index f512067..2addbcf 100644
--- a/plugins/plugin_message_n10n.cpp
+++ b/plugins/plugin_message_n10n.cpp
@@ -30,7 +30,7 @@ SOLANA_PLUGIN_EXPORT uint32_t solana_plugin_start(struct SolanaAPI* solana_api)
 
 	try {
 		auto* cr = PLUG_RESOLVE_INSTANCE_VERSIONED(Contact3Registry, "1");
-		auto* rmm = PLUG_RESOLVE_INSTANCE(RegistryMessageModel);
+		auto* rmm = PLUG_RESOLVE_INSTANCE(RegistryMessageModelI);
 
 		// static store, could be anywhere tho
 		// construct with fetched dependencies
diff --git a/src/message_n10n.cpp b/src/message_n10n.cpp
index 0d9657c..a08d425 100644
--- a/src/message_n10n.cpp
+++ b/src/message_n10n.cpp
@@ -30,7 +30,7 @@ class OurHandler : public WinToastLib::IWinToastHandler {
 };
 
 
-MessageN10n::MessageN10n(Contact3Registry& cr, RegistryMessageModel& rmm) : _cr(cr), _rmm(rmm) {
+MessageN10n::MessageN10n(Contact3Registry& cr, RegistryMessageModelI& rmm) : _cr(cr), _rmm(rmm) {
 	// Register WinToast App User Model
 	WinToastLib::WinToast::instance()->setAppName(L"Tomato");
 	const auto aumi = WinToastLib::WinToast::configureAUMI(L"green", L"solanaceae", L"solanaceae_message_n10n", L"20240517");
diff --git a/src/message_n10n.hpp b/src/message_n10n.hpp
index 620373f..9871b02 100644
--- a/src/message_n10n.hpp
+++ b/src/message_n10n.hpp
@@ -4,10 +4,10 @@
 
 class MessageN10n : public RegistryMessageModelEventI {
 	Contact3Registry& _cr;
-	RegistryMessageModel& _rmm;
+	RegistryMessageModelI& _rmm;
 
 	public:
-		MessageN10n(Contact3Registry& cr, RegistryMessageModel& rmm);
+		MessageN10n(Contact3Registry& cr, RegistryMessageModelI& rmm);
 		virtual ~MessageN10n(void);
 
 	protected: // rmm