diff --git a/c64/kernal/iostack/f1ca.chrout.s b/c64/kernal/iostack/f1ca.chrout.s
index e52f0e84..c76d7498 100644
--- a/c64/kernal/iostack/f1ca.chrout.s
+++ b/c64/kernal/iostack/f1ca.chrout.s
@@ -67,6 +67,7 @@ chrout_done_unknown_device:
 chrout_done_success:
 	
 	plp
+	cli // XXX certainly needed for screen, what about other devices?
 
 	// Restore X and Y
 	ply_trash_a