diff --git a/scripts/generate-patched-kernel b/scripts/generate-patched-kernel
index 2faba70fd..1f0cee235 100755
--- a/scripts/generate-patched-kernel
+++ b/scripts/generate-patched-kernel
@@ -48,7 +48,7 @@ extract_kernel_tree "$1" || exit $?
 
 cd "${target}" || exit $?
 
-list-source-files "${scst_dir}" |
+"${script_dir}/list-source-files" "${scst_dir}" |
   grep -- "-${kernel_version}.*.patch$" |
   grep -v /in-tree/ |
   while read p; do