diff --git a/src/core/NotePlayHandle.cpp b/src/core/NotePlayHandle.cpp
index d7882b525d2..39f9876da80 100644
--- a/src/core/NotePlayHandle.cpp
+++ b/src/core/NotePlayHandle.cpp
@@ -670,7 +670,9 @@ void NotePlayHandleManager::extend( int c )
 
 void NotePlayHandleManager::free()
 {
+	delete s_available[0];
 	delete[] s_available;
+	s_available = nullptr;
 }