diff --git a/src/xrSound/SoundRender_Emitter.cpp b/src/xrSound/SoundRender_Emitter.cpp
index 06b94767..1b22be02 100644
--- a/src/xrSound/SoundRender_Emitter.cpp
+++ b/src/xrSound/SoundRender_Emitter.cpp
@@ -11,7 +11,7 @@ extern	float			psSoundVEffects;
 
 void CSoundRender_Emitter::set_position(const Fvector &pos)	
 { 
-	if(source()->channels_num()==1)
+	if(source()->channels_num() == 1 && _valid(pos))
 		p_source.position	= pos; 
 	else
 		p_source.position.set(0,0,0);