diff --git a/reactos/boot/bootdata/txtsetup.sif b/reactos/boot/bootdata/txtsetup.sif
index 57617385bbe..fb0937edbb2 100644
--- a/reactos/boot/bootdata/txtsetup.sif
+++ b/reactos/boot/bootdata/txtsetup.sif
@@ -59,7 +59,7 @@ Cabinet=reactos.cab
 [SetupData]
 DefaultPath = \ReactOS
 OsLoadOptions = "/NOGUIBOOT /NODEBUG"
-DbgOsLoadOptions = "/NOGUIBOOT /DEBUGPORT=COM1 /FIRSTCHANCE /KDSERIAL"
+DbgOsLoadOptions = "/NOGUIBOOT /DEBUGPORT=COM1 /FIRSTCHANCE"
 ;OsLoadOptions = "/NOGUIBOOT /DEBUGPORT=SCREEN"
 ;OsLoadOptions = "/NOGUIBOOT /DEBUGPORT=BOCHS"