diff --git a/iptables.spec b/iptables.spec
index dbbbad4..230ccde 100644
--- a/iptables.spec
+++ b/iptables.spec
@@ -71,7 +71,7 @@ perl -pi -e "s/^_init\(/__attribute\(\(constructor\)\) nf_ext_init\(/g" extensio
 %build
 TOPDIR=`pwd`
 OPT="$RPM_OPT_FLAGS -I$TOPDIR/include -fPIC"
-export KERNEL_DIR=/usr
+#export KERNEL_DIR=/usr
 #export KBUILD_OUTPUT=/usr
 export DO_SELINUX=1
 make COPT_FLAGS="$OPT" LIBDIR=/%{_lib} 
@@ -80,7 +80,7 @@ make COPT_FLAGS="$OPT" LIBDIR=/%{_lib} ip6tables-save ip6tables-restore
 
 %install
 rm -rf %{buildroot}
-export KERNEL_DIR=/usr
+#export KERNEL_DIR=/usr
 #export KBUILD_OUTPUT=/usr
 export DO_SELINUX=1
 make install DESTDIR=%{buildroot} BINDIR=/sbin LIBDIR=/%{_lib} MANDIR=%{_mandir}