diff --git a/libs/ardour/lv2_plugin.cc b/libs/ardour/lv2_plugin.cc
index e77e104ec9..808a8afb62 100644
--- a/libs/ardour/lv2_plugin.cc
+++ b/libs/ardour/lv2_plugin.cc
@@ -420,7 +420,7 @@ LV2Plugin::LV2Plugin (const LV2Plugin& other)
 
 	XMLNode root (other.state_node_name ());
 	other.add_state (&root);
-	set_state (root, Stateful::loading_state_version);
+	set_state (root, Stateful::current_state_version);
 
 	for (uint32_t i = 0; i < parameter_count(); ++i) {
 		_control_data[i] = other._shadow_data[i];
diff --git a/libs/ardour/lxvst_plugin.cc b/libs/ardour/lxvst_plugin.cc
index 2f4689f779..a00b5adb22 100644
--- a/libs/ardour/lxvst_plugin.cc
+++ b/libs/ardour/lxvst_plugin.cc
@@ -61,7 +61,7 @@ LXVSTPlugin::LXVSTPlugin (const LXVSTPlugin &other)
 
 	XMLNode* root = new XMLNode (other.state_node_name ());
 	other.add_state (root);
-	set_state (*root, Stateful::loading_state_version);
+	set_state (*root, Stateful::current_state_version);
 	delete root;
 
 	init_plugin ();
diff --git a/libs/ardour/mac_vst_plugin.cc b/libs/ardour/mac_vst_plugin.cc
index 3c7bfa2df5..1fefce87a1 100644
--- a/libs/ardour/mac_vst_plugin.cc
+++ b/libs/ardour/mac_vst_plugin.cc
@@ -59,7 +59,7 @@ MacVSTPlugin::MacVSTPlugin (const MacVSTPlugin &other)
 
 	XMLNode* root = new XMLNode (other.state_node_name ());
 	other.add_state (root);
-	set_state (*root, Stateful::loading_state_version);
+	set_state (*root, Stateful::current_state_version);
 	delete root;
 
 	init_plugin ();
diff --git a/libs/ardour/plugin_insert.cc b/libs/ardour/plugin_insert.cc
index d63d8956b3..68fdb961a5 100644
--- a/libs/ardour/plugin_insert.cc
+++ b/libs/ardour/plugin_insert.cc
@@ -181,7 +181,7 @@ PluginInsert::set_count (uint32_t num)
 
 			if (require_state) {
 				XMLNode& state = _plugins[0]->get_state ();
-				p->set_state (state, Stateful::loading_state_version);
+				p->set_state (state, Stateful::current_state_version);
 			}
 
 			if (active ()) {
diff --git a/libs/ardour/windows_vst_plugin.cc b/libs/ardour/windows_vst_plugin.cc
index b2d340d928..f1e7c442da 100644
--- a/libs/ardour/windows_vst_plugin.cc
+++ b/libs/ardour/windows_vst_plugin.cc
@@ -60,7 +60,7 @@ WindowsVSTPlugin::WindowsVSTPlugin (const WindowsVSTPlugin &other)
 
 	XMLNode* root = new XMLNode (other.state_node_name ());
 	other.add_state (root);
-	set_state (*root, Stateful::loading_state_version);
+	set_state (*root, Stateful::current_state_version);
 	delete root;
 
 	init_plugin ();