diff --git a/sys/modules/linux/Makefile b/sys/modules/linux/Makefile
index d83906013c3b..cb8b98f4c32c 100644
--- a/sys/modules/linux/Makefile
+++ b/sys/modules/linux/Makefile
@@ -13,7 +13,8 @@ SRCS=	linux_dummy.c linux_file.c linux_getcwd.c linux_ioctl.c linux_ipc.c \
 OBJS=	linux_locore.o
 
 .if ${MACHINE_ARCH} == "i386"
-SRCS+=	linux_ptrace.c linux_uid16.c imgact_linux.c
+SRCS+=	linux_ptrace.c linux_uid16.c imgact_linux.c opt_cpu.h \
+	opt_kstack_pages.h
 .endif
 
 EXPORT_SYMS=
diff --git a/sys/modules/pecoff/Makefile b/sys/modules/pecoff/Makefile
index 3af958e3c703..44e7f620c43e 100644
--- a/sys/modules/pecoff/Makefile
+++ b/sys/modules/pecoff/Makefile
@@ -5,7 +5,7 @@ MAINTAINER=	takawata@FreeBSD.org
 .PATH: ${.CURDIR}/../../compat/pecoff
 
 KMOD=	pecoff
-SRCS=	imgact_pecoff.c opt_pecoff.h vnode_if.h
+SRCS=	imgact_pecoff.c opt_kstack_pages.h opt_pecoff.h vnode_if.h
 
 CFLAGS+= -g -DDEBUG