diff --git a/src/MidiThing.cpp b/src/MidiThing.cpp
index 23717ee..d763fcd 100644
--- a/src/MidiThing.cpp
+++ b/src/MidiThing.cpp
@@ -397,7 +397,7 @@ struct MidiThing : Module {
 	}
 };
 
-struct MidiThingPort : PJ301MPort {
+struct MidiThingPort : BefacoInputPort {
 	int row = 0, col = 0;
 	MidiThing* module;