diff --git a/recipes-bsp/linux/linux-sysmocom_git.bb b/recipes-bsp/linux/linux-sysmocom_git.bb
index 3101ecb..5189660 100644
--- a/recipes-bsp/linux/linux-sysmocom_git.bb
+++ b/recipes-bsp/linux/linux-sysmocom_git.bb
@@ -34,9 +34,8 @@ FILES_kernel-image_sysmobts-v1 = ""
 
 require linux-tools.inc
 
-do_configure() {
-	install -m 0644 ${WORKDIR}/defconfig ${S}/.config
-	oe_runmake oldconfig
+do_configure_prepend() {
+	install -m 0644 ${WORKDIR}/defconfig ${B}/.config
 }
 
 # autoload defaults (alphabetically sorted)