diff --git a/gtk2_ardour/lv2_plugin_ui.cc b/gtk2_ardour/lv2_plugin_ui.cc
index bc11d31cce..8cd3382ad1 100644
--- a/gtk2_ardour/lv2_plugin_ui.cc
+++ b/gtk2_ardour/lv2_plugin_ui.cc
@@ -33,7 +33,7 @@ using namespace ARDOUR;
 using namespace PBD;
 
 #if defined(HAVE_NEW_SLV2) && defined(HAVE_SUIL)
-SuilHost  LV2PluginUI::ui_host  = NULL;
+SuilHost* LV2PluginUI::ui_host  = NULL;
 SLV2Value LV2PluginUI::ui_GtkUI = NULL;
 #endif
 
diff --git a/gtk2_ardour/lv2_plugin_ui.h b/gtk2_ardour/lv2_plugin_ui.h
index 7a784e2d67..5eacff14cc 100644
--- a/gtk2_ardour/lv2_plugin_ui.h
+++ b/gtk2_ardour/lv2_plugin_ui.h
@@ -82,10 +82,10 @@ class LV2PluginUI : public PlugUIBase, public Gtk::VBox
 	static void on_external_ui_closed(void* controller);
 
 #if defined(HAVE_NEW_SLV2) && defined(HAVE_SUIL)
-	static SuilHost   ui_host;
-	static SLV2Value  ui_GtkUI;
+	static SuilHost* ui_host;
+	static SLV2Value ui_GtkUI;
 
-	SuilInstance _inst;
+	SuilInstance* _inst;
 #else
 	SLV2UIInstance _inst;
 #endif