diff --git a/linux-tkg-config/prepare b/linux-tkg-config/prepare
index 6afbfbf..c9f8bf5 100644
--- a/linux-tkg-config/prepare
+++ b/linux-tkg-config/prepare
@@ -349,7 +349,11 @@ _tkg_srcprep() {
     if [ "$_sub" != "0" ] && [[ "$_sub" != rc* ]]; then
       msg2 "Patching from $_basekernel to $pkgver"
       if [ ! -e "$srcdir/patch-${pkgver}" ]; then
-        ( cd "$_where" && xz -dk patch-${pkgver}.xz && mv "$_where"/patch-${pkgver} "$srcdir"/ )
+        if [ -e "$srcdir/patch-${pkgver}.xz" ]; then
+          xz -dk "$(readlink -f "$srcdir/patch-${pkgver}.xz")" --stdout > "$srcdir/patch-${pkgver}"
+        else
+          ( cd "$_where" && xz -dk patch-${pkgver}.xz && mv "$_where"/patch-${pkgver} "$srcdir"/ )
+        fi
       fi
       tkgpatch="$srcdir/patch-${pkgver}" && _tkg_patcher
     fi