diff --git a/scripts/build_docker_image.sh b/scripts/build_docker_image.sh
index 9e3cd67..8099199 100755
--- a/scripts/build_docker_image.sh
+++ b/scripts/build_docker_image.sh
@@ -3,4 +3,4 @@ set -eu
 
 guix time-machine -C channels-lock.scm -- build -f guix.scm
 
-guix time-machine -C channels-lock.scm -- pack -L . -f docker -S /opt/bin=bin --save-provenance --root=docker-image.tar.gz --entry-point=bin/scheduler.py mobilizon-reshare-scheduler
+guix time-machine -C channels-lock.scm -- pack -L . -f docker -S /opt/bin=bin --save-provenance --root=docker-image.tar.gz --entry-point=bin/scheduler.py mobilizon-reshare-scheduler python