diff --git a/rpm/kernel-source.spec.in b/rpm/kernel-source.spec.in
index bbbf9dc..d7b3f14 100644
--- a/rpm/kernel-source.spec.in
+++ b/rpm/kernel-source.spec.in
@@ -224,8 +224,6 @@ sed -ie 's,/lib/modules/,%{kernel_module_directory}/,' linux-%kernelrelease%vari
 cd linux-%kernelrelease-vanilla
 %_sourcedir/apply-patches --vanilla %_sourcedir/series.conf %my_builddir %symbols
 rm -f $(find . -name ".gitignore")
-# Hardlink duplicate files automatically (from package fdupes).
-%fdupes $PWD
 cd ..
 %endif
 
@@ -237,10 +235,11 @@ rm -f $(find . -name ".gitignore")
 if [ -f %_sourcedir/localversion ] ; then
     cat %_sourcedir/localversion > localversion
 fi
-# Hardlink duplicate files automatically (from package fdupes).
-%fdupes $PWD
 cd ..
 %endif
+
+# Hardlink duplicate files automatically (from package fdupes).
+%fdupes %{buildroot}
 popd
 
 %if ! %vanilla_only