https://bugs.gentoo.org/show_bug.cgi?id=117320
diff -Naur vsound-0.6-orig/vsound.in vsound-0.6/vsound.in
--- vsound-0.6-orig/vsound.in	2004-07-11 04:08:43.000000000 -0600
+++ vsound-0.6/vsound.in	2007-03-11 22:05:20.000000000 -0600
@@ -153,7 +153,7 @@
 
 export VSOUND_DATA=./vsound$$.au
 
-if [ "$verbose" ] && [ "$VSOUND_STDOUT" ]; then
+if [ "$verbose" = 1 ] && [ "$VSOUND_STDOUT" ]; then
 	echo "Error : cannot specify both --verbose and --stdout."
 	exit 1
 fi