diff --git a/rpm/macros.kernel-source b/rpm/macros.kernel-source
index e4b799c..53af083 100644
--- a/rpm/macros.kernel-source
+++ b/rpm/macros.kernel-source
@@ -16,7 +16,7 @@
 	    (*) \
 		[ -z "%{-X}" -a -n "$flavors" ] && continue ;; \
 	    esac \
-	    krel=$(make -si -C /usr/src/linux-obj/x86_64/default/ kernelrelease 2>/dev/null) \
+	    krel=$(make -si -C /usr/src/linux-obj/%_target_cpu/$flavor/ kernelrelease 2>/dev/null) \
 	    kver=${krel%%-*} \
 	    flavors_to_build="$flavors_to_build $flavor" \
 	    echo "%%_suse_kernel_module_subpackage -n %{-n*}%{!-n:%name} -v %{-v*}%{!-v:%version} -r %{-r*}%{!-r:%release} %{-f} %{-p} %{-b} %{-c:-c} $flavor $kver" \