diff --git a/device/testing/linux-motorola-perry/APKBUILD b/device/testing/linux-motorola-perry/APKBUILD
index bc21edfd0373453031ad0117092e2f7c18845672..3413a1da3678c63be965e870719d47fbf3346467 100644
--- a/device/testing/linux-motorola-perry/APKBUILD
+++ b/device/testing/linux-motorola-perry/APKBUILD
@@ -28,7 +28,7 @@ builddir="$srcdir/$_repository-$_commit"
 
 prepare() {
 	default_prepare
-	downstreamkernel_prepare "$srcdir" "$builddir" "$_config" "$_carch" "$HOSTCC"
+	. downstreamkernel_prepare
 }
 
 build() {