diff --git a/captain.yml b/captain.yml
index ca717f5827a581b29cde53654ee65542ce79419c..a6d4355766eab826f0b82de8232e410709be876c 100644
--- a/captain.yml
+++ b/captain.yml
@@ -21,7 +21,6 @@ portal-backend:
     - rm -rf $WORKSPACE/src/docker/run/target/
     - rm -rf $WORKSPACE/src/docker/run/config/
     - echo "Finished building portal-backend"
-    - curl -k -X POST --data-urlencode payload@$WORKSPACE/src/docker/run/slack.json https://hbps1.chuv.ch/slack/dev-activity
   test:
     - ./tests/pre-test-run.sh
     - ./tests/test-run.sh
diff --git a/docker_push.sh b/docker_push.sh
index dc1cf595076f954b121b500bafafcabed496c257..9a348796433b77fbe0e1374f6383bfc4b9b1c96b 100755
--- a/docker_push.sh
+++ b/docker_push.sh
@@ -1,4 +1,6 @@
 #!/usr/bin/env bash
+set -e
 
 export WORKSPACE=$(pwd)
 captain push --branch-tags=false --commit-tags=true portal-backend
+curl -k -X POST --data-urlencode payload@$WORKSPACE/src/docker/run/slack.json https://hbps1.chuv.ch/slack/dev-activity