import from plan9
diff --git a/src/cmd/tcs/conv_jis.c b/src/cmd/tcs/conv_jis.c
index 18579d7..8627514 100644
--- a/src/cmd/tcs/conv_jis.c
+++ b/src/cmd/tcs/conv_jis.c
@@ -363,6 +363,7 @@
 	(*procfn)(-1, &r, nin);
 	if(r > ob)
 		OUT(out, ob, r-ob);
+	OUT(out, ob, 0);
 }
 
 void