diff --git a/sys/src/cmd/rio/rio.c b/sys/src/cmd/rio/rio.c
--- a/sys/src/cmd/rio/rio.c
+++ b/sys/src/cmd/rio/rio.c
@@ -120,21 +120,22 @@ void
 threadmain(int argc, char *argv[])
 {
 	char *initstr, *kbdin, *s;
+	int exitdoor;
 	char buf[256];
 	Image *i;
 	Rectangle r;
 
-	if(strstr(argv[0], ".out") == nil){
-		menu3str[Exit] = nil;
-		Hidden--;
-	}
 	initstr = nil;
 	kbdin = nil;
 	maxtab = 0;
+	exitdoor = 0;
 	ARGBEGIN{
 	case 'b':
 		reverse = ~0xFF;
 		break;
+	case 'e':
+		exitdoor = TRUE;
+		break;
 	case 'f':
 		fontname = EARGF(usage());
 		break;
@@ -155,6 +156,11 @@ threadmain(int argc, char *argv[])
 	default:
 		usage();
 	}ARGEND
+	
+	if(exitdoor == 0){
+		menu3str[Exit] = nil;
+		Hidden--;
+	}
 
 	if(getwd(buf, sizeof buf) == nil)
 		startdir = estrdup(".");