diff --git a/sys/conf/files.pc98 b/sys/conf/files.pc98
index 21fd621bdea4..5b4d9df3e791 100644
--- a/sys/conf/files.pc98
+++ b/sys/conf/files.pc98
@@ -126,7 +126,7 @@ i386/i386/i686_mem.c		standard
 i386/i386/identcpu.c		standard
 i386/i386/in_cksum.c		optional	inet
 i386/i386/initcpu.c		standard
-#i386/i386/k6_mem.c		standard
+i386/i386/k6_mem.c		standard
 # locore.s needs to be handled in Makefile to put it first.  Otherwise it's
 # now normal.
 # i386/i386/locore.s		standard