diff --git a/conf/machine/sysmocom-bsc.conf b/conf/machine/sysmocom-bsc.conf
index 93b46ea..49b5d30 100644
--- a/conf/machine/sysmocom-bsc.conf
+++ b/conf/machine/sysmocom-bsc.conf
@@ -8,7 +8,7 @@ PREFERRED_PROVIDER_virtual/libgl  = "mesa-dri"
 PREFERRED_PROVIDER_virtual/libx11 ?= "libx11-trim"
 PREFERRED_PROVIDER_virtual/xserver ?= "xserver-xf86-dri-lite"
 PREFERRED_PROVIDER_virtual/xserver-xf86 ?= "xserver-xf86-dri-lite"
-PREFERRED_PROVIDER_virtual/kernel = "${@ dict([('1.5','linux-sysmocom'), ('1.1','linux')])[d.getVar('DISTRO_VERSION', True)[0:3]]}"
+PREFERRED_PROVIDER_virtual/kernel = "${@['linux-sysmocom', 'linux']['1.1' in d.getVar('DISTRO_VERSION', True)]}"
 
 require conf/machine/include/tune-geode.inc