--- ray/src/ot/writeoct.c	1990/12/12 22:46:35	1.4
+++ ray/src/ot/writeoct.c	1991/10/23 11:32:45	1.5
@@ -27,7 +27,7 @@ char  *ofn[];
 	char  sbuf[64];
 	register int  i;
 					/* write format number */
-	putint((long)OCTMAGIC, 2);
+	putint((long)(OCTMAGIC+sizeof(OBJECT)), 2);
 
 	if (!(store & IO_BOUNDS))
 		return;