diff --git a/src/engine/platform/genesis.h b/src/engine/platform/genesis.h
index e126db582..3979b1b59 100644
--- a/src/engine/platform/genesis.h
+++ b/src/engine/platform/genesis.h
@@ -91,6 +91,7 @@ class DivPlatformGenesis: public DivPlatformOPN {
     void acquire_ymfm(short* bufL, short* bufR, size_t start, size_t len);
   
     friend void putDispatchChip(void*,int);
+    friend void putDispatchChan(void*,int,int);
   public:
     void acquire(short* bufL, short* bufR, size_t start, size_t len);
     void fillStream(std::vector<DivDelayedWrite>& stream, int sRate, size_t len);