diff --git a/stepmania/src/arch/Sound/RageSoundDriver.h b/stepmania/src/arch/Sound/RageSoundDriver.h
index 4706fc75c6..a43e288130 100644
--- a/stepmania/src/arch/Sound/RageSoundDriver.h
+++ b/stepmania/src/arch/Sound/RageSoundDriver.h
@@ -19,7 +19,7 @@ public:
 
 	/* Get the current position of a given buffer, in the same units and time base
 	 * as passed to RageSound::GetPCM. */
-	virtual int GetPosition( const RageSoundBase *snd ) const = 0;
+	virtual int64_t GetPosition( const RageSoundBase *snd ) const = 0;
 
 	/* When a sound is finished playing (GetPCM returns less than requested) and
 	 * the sound has been completely flushed (so GetPosition is no longer meaningful),