diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 4e18949814108297a0f0b258cab679978c093534..6fc1e0a7af53fa488221906c202d104f2452652a 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -137,7 +137,7 @@ build_linux:
       - changes
       - linux/linux_*_arm64-*.build
   script: |
-    runuser -u build -- sh -xc '. ./common.sh; cd linux; . ./build.sh' 2>&1 | ./filter-output
+    runuser -u build -- sh -xc '. ./common.sh; cd linux; export BASESUITE=unstable; . ./build.sh' 2>&1 | ./filter-output
     dpkg-deb -c changes/linux-image-*-reform2-arm64_*_arm64.deb | grep 'kernel/drivers/gpu/drm/imx\(/cdns\)\?/cdns_mhdp_imx.ko'
     echo "BASESUITE: $BASESUITE"
     echo "OURSUITE: $OURSUITE"
diff --git a/README.md b/README.md
index 548caefff5303cfaf56bacec9292441d9977a780..16d3685ebc1b1e8921262118c0f8e52ef5822b1c 100644
--- a/README.md
+++ b/README.md
@@ -66,3 +66,8 @@ Scripts for running the reform.
 To just rebuild the kernel and not the rest, you can run this:
 
     sh -xc '. ./setup.sh; cd linux; . ./build.sh'
+
+You can also build the kernel of a specific suite by setting `BASESUITE` to the
+suite name like `experimental` in this example:
+
+    sh -xc 'BASESUITE=experimental; . ./setup.sh; cd linux; . ./build.sh'