diff --git a/src/engine/engine.cpp b/src/engine/engine.cpp
index efe66fc85..9f70aef00 100644
--- a/src/engine/engine.cpp
+++ b/src/engine/engine.cpp
@@ -2207,6 +2207,7 @@ void DivEngine::playSub(bool preserveDrift, int goalRow) {
   prevOrder=0;
   prevRow=0;
   stepPlay=0;
+  if (curSubSong!=NULL) curSubSong->arpLen=1;
   int prevDrift, prevMidiClockDrift, prevMidiTimeDrift;
   prevDrift=clockDrift;
   prevMidiClockDrift=midiClockDrift;