diff --git a/profiles b/profiles
index e44d361..a3b9b43 100644
--- a/profiles
+++ b/profiles
@@ -54,7 +54,8 @@ r4s['kopts']="\
 	CONFIG_KERNEL_BTRFS_FS_POSIX_ACL=y \
 	CONFIG_BTRFS_PROGS_ZSTD=y \
 	CONFIG_TARGET_ROOTFS_PARTSIZE=512 \
-	CONFIG_TARGET_KERNEL_PARTSIZE=32"
+	CONFIG_TARGET_KERNEL_PARTSIZE=32 \
+	CONFIG_TESTING_KERNEL=y"
 r4s['files']="\
 	/mnt/backup"