diff --git a/libs/ardour/plugin_manager.cc b/libs/ardour/plugin_manager.cc
index b4b5822a22..211c7d7350 100644
--- a/libs/ardour/plugin_manager.cc
+++ b/libs/ardour/plugin_manager.cc
@@ -3019,8 +3019,11 @@ PluginManager::ladspa_plugin_info ()
 const ARDOUR::PluginInfoList&
 PluginManager::lv2_plugin_info ()
 {
+#ifdef LV2_SUPPORT
 	assert(_lv2_plugin_info);
 	return *_lv2_plugin_info;
+#endif
+	return _empty_plugin_info;
 }
 
 const ARDOUR::PluginInfoList&