diff --git a/BasiliskII/src/rom_patches.cpp b/BasiliskII/src/rom_patches.cpp
index fdedf5e2..024d82d2 100644
--- a/BasiliskII/src/rom_patches.cpp
+++ b/BasiliskII/src/rom_patches.cpp
@@ -695,7 +695,8 @@ static const uint8 adbop_patch[] = {	// Call ADBOp() completion procedure
 	0x4e, 0x91,				//	jsr		(a1)
 	0x70, 0x00,				//	moveq	#0,d0
 	0x60, 0x00, 0x00, 0x04,	//	bra		2
-	0x70, 0xff,				//1	moveq	#-1,d0
+//	0x70, 0xff,				//1	moveq	#-1,d0
+	0x70, 0x00,				//1	moveq	#0,d0	copy from BasiliskII-build142
 	0x4c, 0xdf, 0x0f, 0x0e,	//2	movem.l	(sp)+,d1-d3/a0-a3
 	0x46, 0xdf,				//	move	(sp)+,sr
 	0x4e, 0x75				//	rts