diff --git a/src/headless/tests/UnitTests.h b/src/headless/tests/UnitTests.h
index 79c74447..5cf98d7a 100644
--- a/src/headless/tests/UnitTests.h
+++ b/src/headless/tests/UnitTests.h
@@ -2,6 +2,7 @@
 
 static inline void runTestForAllProcessors (UnitTest* ut, const std::function<void (BaseProcessor*)>& testFunc, const StringArray& procsToSkip = {})
 {
+    PlayheadHelpers playheadHelper;
     for (auto [name, storeEntry] : ProcessorStore::getStoreMap())
     {
         if (procsToSkip.contains (name))
@@ -11,6 +12,7 @@ static inline void runTestForAllProcessors (UnitTest* ut, const std::function<vo
         }
 
         auto proc = storeEntry.factory (nullptr);
+        proc->playheadHelpers = &playheadHelper;
         ut->beginTest (proc->getName() + " Test");
         testFunc (proc.get());
         proc->freeInternalMemory();
diff --git a/src/processors/other/Delay.cpp b/src/processors/other/Delay.cpp
index 7955baee..348c4e31 100644
--- a/src/processors/other/Delay.cpp
+++ b/src/processors/other/Delay.cpp
@@ -237,8 +237,10 @@ void DelayModule::processPingPongDelay (AudioBuffer<float>& buffer, DelayType& d
 
 void DelayModule::processAudio (AudioBuffer<float>& buffer)
 {
+    jassert (playheadHelpers != nullptr);
+
     feedbackSmoothBuffer.process (std::pow (feedbackParam->getCurrentValue() * 0.67f, 0.9f), buffer.getNumSamples());
-    double tempo = playheadHelpers->bpm.load();
+    const auto tempo = playheadHelpers->bpm.load();
     const auto tempoSync = *tempoSyncOnOffParam == 1.0f;
     if (! tempoSync)
     {