--- a/testing/docker/desktop-build/Dockerfile
+++ b/testing/docker/desktop-build/Dockerfile
@@ -32,16 +32,19 @@ ADD topsrcdir/testing/docker/recipes/cen
 RUN pip uninstall -y Mercurial
 
 RUN bash /setup/system-setup.sh
 
 # Add wrapper scripts for xvfb allowing tasks to easily retry starting up xvfb
 # %include testing/docker/recipes/xvfb.sh
 ADD topsrcdir/testing/docker/recipes/xvfb.sh /home/worker/scripts/xvfb.sh
 
+# %include testing/docker/recipes/run-task
+ADD topsrcdir/testing/docker/recipes/run-task /home/worker/bin/run-task
+
 # Add configuration
 COPY            dot-config                    /home/worker/.config
 
 # Generate machine uuid file
 RUN dbus-uuidgen --ensure=/var/lib/dbus/machine-id
 
 # Stubbed out credentials; mozharness looks for this file an issues a WARNING
 # if it's not found, which causes the build to fail.  Note that this needs to