diff --git a/src/light9/midifade/midifade.py b/src/light9/midifade/midifade.py
--- a/src/light9/midifade/midifade.py
+++ b/src/light9/midifade/midifade.py
@@ -11,7 +11,7 @@ import logging
 import mido
 from light9 import networking
 from light9.effect.edit import clamp
-from light9.midifade.eventqueue import EventQueue
+from light9.midifade.eventqueue import Event, EventQueue
 from light9.midifade.mididevs import connectToMidiOutput, listenToMidiInputs
 from light9.midifade.pages import Pages
 from light9.namespaces import L9
@@ -44,28 +44,28 @@ def changeGrandMaster(graph: SyncedGraph
     graph.patchObject(ctx, L9.grandMaster, L9['value'], decimalLiteral(newValue))
 
 
-async def onMessage(graph: SyncedGraph, pages: Pages, ctx: URIRef, _lastSet: dict[int, int], m: dict):
-    if m['type'] == 'active_sensing':
+async def onMessage(graph: SyncedGraph, pages: Pages, ctx: URIRef, _lastSet: dict[int, int], m: Event):
+    if m.type == 'active_sensing':
         return
-    if m['type'] == 'control_change':
-        if m['dev'] == 'bcf2000' and m['control'] == 91:
+    if m.type == 'control_change':
+        if m.dev == 'bcf2000' and m.control == 91:
             pages.changePage(-1)
             return
-        if m['dev'] == 'bcf2000' and m['control'] == 92:
+        if m.dev == 'bcf2000' and m.control == 92:
             pages.changePage(1)
             return
-        if m['dev'] == 'bcf2000' and m['control'] == 8:
-            changeGrandMaster(graph, clamp(m['value'] / 127 * 1.5, 0, 1), ctx)
+        if m.dev == 'bcf2000' and m.control == 8:
+            changeGrandMaster(graph, clamp(m.value / 127 * 1.5, 0, 1), ctx)
             return
 
         try:
-            fader = pages.lookupFader(m['dev'], m['control'])
+            fader = pages.lookupFader(m.dev, m.control)
         except KeyError:
             log.info(f'unknown control {m}')
             return
         try:
-            await writeHwValueToGraph(graph, ctx, fader, m['value'] / 127)
-            _lastSet[m['control']] = m['value']
+            await writeHwValueToGraph(graph, ctx, fader, m.value / 127)
+            _lastSet[m.control] = m.value
         except ValueError as e:
             log.warning(f'{e!r} - ignoring')
     else: