1 files changed, 1 insertions, 1 deletions
diff --git a/src/instrument.h b/src/instrument.h
index c06ccdc..f0b12e2 100644
--- a/src/instrument.h
+++ b/src/instrument.h
@@ -49,7 +49,7 @@ public:
 	Instrument(Settings& settings, Random& rand);
 	~Instrument();
 
-	const Sample* sample(level_t level, size_t pos);
+	const Sample* sample(level_t level, float openness, std::size_t pos);
 
 	std::size_t getID() const;
 	const std::string& getName() const;