Index: xboing-2.4/dialogue.c
===================================================================
--- xboing-2.4.orig/dialogue.c	1996-11-22 02:28:46.000000000 +0100
+++ xboing-2.4/dialogue.c	2006-05-30 21:49:22.000000000 +0200
@@ -403,6 +403,8 @@
 
 		default:
 			validateDialogueKeys(display, keysym, str);
+			if (validation == YES_NO_ENTRY)
+				dialogueState = DIALOGUE_UNMAP;
 			break;
 	}