diff --git a/libs/ardour/lv2_plugin.cc b/libs/ardour/lv2_plugin.cc
index 5ea76934a5..c56b3ffc2f 100644
--- a/libs/ardour/lv2_plugin.cc
+++ b/libs/ardour/lv2_plugin.cc
@@ -1651,7 +1651,7 @@ LV2Plugin::connect_and_run(BufferSet& bufs,
 				}
 			} else if (!valid) {
 				// Nothing we understand or care about, connect to scratch
-				_ev_buffers[port_index] = silent_bufs.get_lv2_midi(
+				_ev_buffers[port_index] = scratch_bufs.get_lv2_midi(
 					(flags & PORT_INPUT), 0, (flags & PORT_EVENT));
 			}
 			buf = lv2_evbuf_get_buffer(_ev_buffers[port_index]);