Index: src/emu/sound/qsound.c
===================================================================
--- src/emu/sound/qsound.c	(revision 2984)
+++ src/emu/sound/qsound.c	(working copy)
@@ -100,7 +100,7 @@
 	int i;
 
 	chip = auto_malloc(sizeof(*chip));
-	memset(chip, 0, sizeof(chip));
+	memset(chip, 0, sizeof(*chip));
 
 	chip->intf = config;