diff --git a/.clusterfuzzlite/Dockerfile b/.clusterfuzzlite/Dockerfile
index 181031c69581..ab483323854a 100644
--- a/.clusterfuzzlite/Dockerfile
+++ b/.clusterfuzzlite/Dockerfile
@@ -3,5 +3,7 @@ COPY . $SRC/PX4-Autopilot
 RUN apt-get install -y libjpeg8-dev zlib1g-dev
 RUN pip3 install --upgrade pip
 RUN python3 -m pip install -r $SRC/PX4-Autopilot/Tools/setup/requirements.txt
+RUN touch /.dockerenv
+RUN $SRC/PX4-Autopilot/Tools/setup/ubuntu.sh
 WORKDIR $SRC/PX4-Autopilot
 COPY ./.clusterfuzzlite/build.sh $SRC/
diff --git a/.github/workflows/cflite_batch.yml b/.github/workflows/cflite_batch.yml
index d1321cc6b7fb..cca87b4af5a0 100644
--- a/.github/workflows/cflite_batch.yml
+++ b/.github/workflows/cflite_batch.yml
@@ -2,6 +2,9 @@ name: ClusterFuzzLite batch fuzzing
 on:
   schedule:
     - cron: '0 6 * * *'  # UTC 6am every day.
+  pull_request:
+    branches:
+      - '*'
 permissions: read-all
 jobs:
   BatchFuzzing: