diff --git a/src/sfizz/effects/Apan.cpp b/src/sfizz/effects/Apan.cpp
index 92bf0491..473985fd 100644
--- a/src/sfizz/effects/Apan.cpp
+++ b/src/sfizz/effects/Apan.cpp
@@ -37,8 +37,8 @@ namespace fx {
 
     void Apan::setSamplesPerBlock(int samplesPerBlock)
     {
-        _lfoOutLeft.reset(new float[samplesPerBlock]);
-        _lfoOutRight.reset(new float[samplesPerBlock]);
+        _lfoOutLeft.resize(samplesPerBlock);
+        _lfoOutRight.resize(samplesPerBlock);
     }
 
     void Apan::clear()
@@ -51,8 +51,8 @@ namespace fx {
         float dry = _dry;
         float wet = _wet;
         float depth = _depth;
-        float* modL = _lfoOutLeft.get();
-        float* modR = _lfoOutRight.get();
+        float* modL = _lfoOutLeft.data();
+        float* modR = _lfoOutRight.data();
 
         computeLfos(modL, modR, nframes);
 
diff --git a/src/sfizz/effects/Apan.h b/src/sfizz/effects/Apan.h
index 905316b6..52b85dc6 100644
--- a/src/sfizz/effects/Apan.h
+++ b/src/sfizz/effects/Apan.h
@@ -6,7 +6,7 @@
 
 #pragma once
 #include "Effects.h"
-#include <memory>
+#include "Buffer.h"
 
 namespace sfz {
 namespace fx {
@@ -48,8 +48,8 @@ namespace fx {
 
     private:
         float _samplePeriod = 0.0;
-        std::unique_ptr<float[]> _lfoOutLeft;
-        std::unique_ptr<float[]> _lfoOutRight;
+        sfz::Buffer<float> _lfoOutLeft { config::defaultSamplesPerBlock };
+        sfz::Buffer<float> _lfoOutRight { config::defaultSamplesPerBlock };
 
         // Controls
         float _dry = 0.0;