diff --git a/src/sfizz/Resources.h b/src/sfizz/Resources.h
index 1367d714..2c6adcfc 100644
--- a/src/sfizz/Resources.h
+++ b/src/sfizz/Resources.h
@@ -11,6 +11,7 @@
 #include "EQPool.h"
 #include "Logger.h"
 #include "Wavetables.h"
+#include "Curve.h"
 
 namespace sfz
 {
@@ -21,6 +22,7 @@ struct Resources
     BufferPool bufferPool;
     MidiState midiState;
     Logger logger;
+    CurveSet curves;
     FilePool filePool { logger };
     FilterPool filterPool { midiState };
     EQPool eqPool { midiState };
diff --git a/src/sfizz/Synth.cpp b/src/sfizz/Synth.cpp
index 0870905f..5e4d7fe9 100644
--- a/src/sfizz/Synth.cpp
+++ b/src/sfizz/Synth.cpp
@@ -71,7 +71,7 @@ void sfz::Synth::onParseFullBlock(const std::string& header, const std::vector<O
         buildRegion(members);
         break;
     case hash("curve"):
-        curves.addCurveFromHeader(members);
+        resources.curves.addCurveFromHeader(members);
         break;
     case hash("effect"):
         handleEffectOpcodes(members);
@@ -136,16 +136,16 @@ void sfz::Synth::clear()
     effectBuses[0]->setGainToMain(1.0);
     effectBuses[0]->setSamplesPerBlock(samplesPerBlock);
     effectBuses[0]->setSampleRate(sampleRate);
-    curves = CurveSet::createPredefined();
+    resources.curves = CurveSet::createPredefined();
     resources.filePool.clear();
     resources.wavePool.clearFileWaves();
     resources.logger.clear();
+    resources.midiState.reset();
     numGroups = 0;
     numMasters = 0;
     fileTicket = -1;
     defaultSwitch = absl::nullopt;
     defaultPath = "";
-    resources.midiState.reset();
     ccNames.clear();
     globalOpcodes.clear();
     masterOpcodes.clear();
@@ -814,7 +814,7 @@ int sfz::Synth::getNumMasters() const noexcept
 }
 int sfz::Synth::getNumCurves() const noexcept
 {
-    return static_cast<int>(curves.getNumCurves());
+    return static_cast<int>(resources.curves.getNumCurves());
 }
 
 std::string sfz::Synth::exportMidnam(absl::string_view model) const
diff --git a/src/sfizz/Synth.h b/src/sfizz/Synth.h
index 6b3d4c37..6ee6da73 100644
--- a/src/sfizz/Synth.h
+++ b/src/sfizz/Synth.h
@@ -10,7 +10,6 @@
 #include "Voice.h"
 #include "Region.h"
 #include "Effects.h"
-#include "Curve.h"
 #include "LeakDetector.h"
 #include "MidiState.h"
 #include "AudioSpan.h"
@@ -515,9 +514,6 @@ private:
     typedef std::unique_ptr<EffectBus> EffectBusPtr;
     std::vector<EffectBusPtr> effectBuses; // 0 is "main", 1-N are "fx1"-"fxN"
 
-    // Curves
-    CurveSet curves;
-
     int samplesPerBlock { config::defaultSamplesPerBlock };
     float sampleRate { config::defaultSampleRate };
     float volume { Default::globalVolume };