diff --git a/dsp/cmDspKr.c b/dsp/cmDspKr.c
index 7252ffe..3f43eff 100644
--- a/dsp/cmDspKr.c
+++ b/dsp/cmDspKr.c
@@ -411,7 +411,7 @@ cmDspRC_t _cmDspTimeLineRecv(cmDspCtx_t* ctx, cmDspInst_t* inst, const cmDspEvt_
           cmTlObj_t* op;
           if((op = cmTimeLineIdToObj(p->tlH, cmInvalidId, markerId )) != NULL )
           {
-            assert(op->typeId == kMarkerTlId);
+            assert(op->typeId == kMarkerTlId || op->typeId == kMidiEvtTlId );
 
             p->afIdx = op->begSmpIdx;