diff --git a/stepmania/src/RageSound.cpp b/stepmania/src/RageSound.cpp
index c09def807b..ff5896dd3d 100644
--- a/stepmania/src/RageSound.cpp
+++ b/stepmania/src/RageSound.cpp
@@ -665,6 +665,7 @@ void RageSound::SoundIsFinishedPlaying()
 
 RageSound *RageSound::Play( const RageSoundParams *params )
 {
+	ASSERT( Sample );
 	return SOUNDMAN->PlaySound( *this, params );
 }