Fix debug assertion caused by BpmControl

Occurs when tapping the bpm with "Assume constant tempo" disabled.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/engine/controls/bpmcontrol.cpp b/src/engine/controls/bpmcontrol.cpp
index 2bb58317d9..617c973654 100644
--- a/src/engine/controls/bpmcontrol.cpp
+++ b/src/engine/controls/bpmcontrol.cpp
@@ -244,7 +244,7 @@ void BpmControl::slotTapFilter(double averageLength, int numSamples) {
         return;
     }
     const mixxx::BeatsPointer pBeats = pTrack->getBeats();
-    if (!pBeats) {
+    if (!pBeats || !(m_pBeats->getCapabilities() & mixxx::Beats::BEATSCAP_SETBPM)) {
         return;
     }
     double rateRatio = m_pRateRatio->get();