diff --git a/sys/conf/files.pc98 b/sys/conf/files.pc98
index 2c1305d63ade..9e5271823dc7 100644
--- a/sys/conf/files.pc98
+++ b/sys/conf/files.pc98
@@ -196,6 +196,7 @@ i386/ibcs2/ibcs2_xenix_sysent.c	optional	ibcs2
 i386/ibcs2/imgact_coff.c	optional	ibcs2
 i386/isa/atpic.c		standard
 i386/isa/atpic_vector.s		standard
+i386/isa/elcr.c			standard
 i386/isa/elink.c		optional	ep
 i386/isa/elink.c		optional	ie
 i386/isa/isa.c			optional	isa