diff --git a/src/sfizz/Wavetables.cpp b/src/sfizz/Wavetables.cpp
index c9d72362..c65b244a 100644
--- a/src/sfizz/Wavetables.cpp
+++ b/src/sfizz/Wavetables.cpp
@@ -250,7 +250,7 @@ WavetableMulti WavetableMulti::createForHarmonicProfile(
     return wm;
 }
 
-WavetableMulti* WavetableMulti::getSilenceWavetable()
+const WavetableMulti* WavetableMulti::getSilenceWavetable()
 {
     static WavetableMulti wm;
     wm.allocateStorage(1);
diff --git a/src/sfizz/Wavetables.h b/src/sfizz/Wavetables.h
index c8aca0f6..6290f01f 100644
--- a/src/sfizz/Wavetables.h
+++ b/src/sfizz/Wavetables.h
@@ -160,7 +160,7 @@ public:
         const HarmonicProfile& hp, double amplitude, unsigned tableSize = config::tableSize, double refSampleRate = 44100.0);
 
     // get a tiny silent wavetable with null content for use with oscillators
-    static WavetableMulti* getSilenceWavetable();
+    static const WavetableMulti* getSilenceWavetable();
 
 private:
     // get a pointer to the beginning of the N-th table