diff --git a/src/syseng/booter.3 b/src/syseng/booter.4
similarity index 99%
rename from src/syseng/booter.3
rename to src/syseng/booter.4
index 7f3ab37d..b6116cad 100644
--- a/src/syseng/booter.3
+++ b/src/syseng/booter.4
@@ -43,7 +43,7 @@ TTYSS:	0
 
 PDL:	BLOCK	PDLSIZ
 
-START:	MOVE	P,[-PDLSIZ,PDL]
+START:	MOVE	P,[-PDLSIZ,,PDL]
 	SKIPE	DEBUG
 	 JRST	L0
 	.SUSET	[.RUNAME,,A]