diff --git a/scripts/package/mkspec b/scripts/package/mkspec
index 4bf17ddf7c7ff732f4ed0a9a851bfd759ad03772..fbbfd08853d3f7c9730cf635177a689b7ab5f380 100755
--- a/scripts/package/mkspec
+++ b/scripts/package/mkspec
@@ -95,7 +95,7 @@ echo 'cp $KBUILD_IMAGE $RPM_BUILD_ROOT'"/boot/vmlinuz-$KERNELRELEASE"
 echo "%endif"
 echo "%endif"
 
-echo 'make %{?_smp_mflags} INSTALL_HDR_PATH=$RPM_BUILD_ROOT/usr headers_install'
+echo 'make %{?_smp_mflags} INSTALL_HDR_PATH=$RPM_BUILD_ROOT/usr KBUILD_SRC= headers_install'
 echo 'cp System.map $RPM_BUILD_ROOT'"/boot/System.map-$KERNELRELEASE"
 
 echo 'cp .config $RPM_BUILD_ROOT'"/boot/config-$KERNELRELEASE"