diff --git a/bin/acorn/BBCBASIC.COM b/bin/acorn/BBCBASIC.COM
index dc5cbff..0a478b9 100644
Binary files a/bin/acorn/BBCBASIC.COM and b/bin/acorn/BBCBASIC.COM differ
diff --git a/bin/cpm/BBCBASIC.COM b/bin/cpm/BBCBASIC.COM
index cdc046f..3ee20fe 100644
Binary files a/bin/cpm/BBCBASIC.COM and b/bin/cpm/BBCBASIC.COM differ
diff --git a/src/MAIN.Z80 b/src/MAIN.Z80
index ed711b2..95fcbb0 100644
--- a/src/MAIN.Z80
+++ b/src/MAIN.Z80
@@ -11,6 +11,7 @@
 ;VERSION 2.3, 07-05-1984
 ;VERSION 3.0, 01-03-1987
 ;VERSION 5.0, 31-05-2024
+;VERSION 5.1, 10-08-2024
 ;
 	EXTRN	XEQ
 	EXTRN	RUN0
@@ -2017,13 +2018,12 @@ DLP1:	EX	(SP),HL
 ;
 RANGE:	LD	A,(IY)
 	CP	'$'
-	RET	Z
-	CP	'%'
-	RET	Z
+	RET	C
+	CP	'&'+1
+	CCF
+	RET	NC
 	CP	'('
 	RET	Z
-	CP	'&'
-	RET	Z
 RANGE1:	CP	'0'
 	RET	C
 	CP	'9'+1