Index: code/client/snd_openal.c
===================================================================
--- code/client/snd_openal.c	(revision 1788)
+++ code/client/snd_openal.c	(working copy)
@@ -464,6 +464,10 @@
 		S_AL_BufferLoad(sfx);
 	knownSfx[sfx].lastUsedTime = Com_Milliseconds();
 
+	if (knownSfx[sfx].isDefault) {
+		return 0;
+	}
+
 	return sfx;
 }