diff --git a/.github/workflows/build-and-deploy.yml b/.github/workflows/build-and-deploy.yml
index d6ec1acd..5c09de3e 100644
--- a/.github/workflows/build-and-deploy.yml
+++ b/.github/workflows/build-and-deploy.yml
@@ -32,7 +32,7 @@ jobs:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
           repository: thecodingmachine/workadventure-front
-          tags: ${{ env.GITHUB_REF_SLUG }}
+          tags: ${{ env.GITHUB_HEAD_REF_SLUG }}
           add_git_labels: true
 
   build-back:
@@ -55,7 +55,7 @@ jobs:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
           repository: thecodingmachine/workadventure-back
-          tags: ${{ env.GITHUB_REF_SLUG }}
+          tags: ${{ env.GITHUB_HEAD_REF_SLUG }}
           add_git_labels: true
 
   build-pusher:
@@ -78,7 +78,7 @@ jobs:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
           repository: thecodingmachine/workadventure-pusher
-          tags: ${{ env.GITHUB_REF_SLUG }}
+          tags: ${{ env.GITHUB_HEAD_REF_SLUG }}
           add_git_labels: true
 
   build-uploader:
@@ -101,7 +101,7 @@ jobs:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
           repository: thecodingmachine/workadventure-uploader
-          tags: ${{ env.GITHUB_REF_SLUG }}
+          tags: ${{ env.GITHUB_HEAD_REF_SLUG }}
           add_git_labels: true
 
   build-maps:
@@ -125,7 +125,7 @@ jobs:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
           repository: thecodingmachine/workadventure-maps
-          tags: ${{ env.GITHUB_REF_SLUG }}
+          tags: ${{ env.GITHUB_HEAD_REF_SLUG }}
           add_git_labels: true
 
   deeploy:
@@ -154,13 +154,13 @@ jobs:
           SECRET_JITSI_KEY: ${{ secrets.SECRET_JITSI_KEY }}
           TURN_STATIC_AUTH_SECRET: ${{ secrets.TURN_STATIC_AUTH_SECRET }}
         with:
-          namespace: workadventure-${{ env.GITHUB_REF_SLUG }}
+          namespace: workadventure-${{ env.GITHUB_HEAD_REF_SLUG }}
 
       - name: Add a comment in PR
         uses: unsplash/comment-on-pr@v1.2.0
-        if: ${{ env.GITHUB_REF_SLUG != 'master' }}
+        if: ${{ env.GITHUB_HEAD_REF_SLUG != 'master' }}
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
-          msg: Environment deployed at https://play.${{ env.GITHUB_REF_SLUG }}.test.workadventu.re
+          msg: Environment deployed at https://play.${{ env.GITHUB_HEAD_REF_SLUG }}.test.workadventu.re
           check_for_duplicate_msg: true
diff --git a/.github/workflows/cleanup.yml b/.github/workflows/cleanup.yml
index 0159fa67..ab39978b 100644
--- a/.github/workflows/cleanup.yml
+++ b/.github/workflows/cleanup.yml
@@ -22,4 +22,4 @@ jobs:
         env:
           KUBE_CONFIG_FILE: ${{ secrets.KUBE_CONFIG_FILE }}
         with:
-          namespace: workadventure-${{ env.GITHUB_REF_SLUG }}
+          namespace: workadventure-${{ env.GITHUB_HEAD_REF_SLUG }}
diff --git a/deeployer.libsonnet b/deeployer.libsonnet
index 3eeaa359..f94f4e69 100644
--- a/deeployer.libsonnet
+++ b/deeployer.libsonnet
@@ -1,6 +1,6 @@
 {
   local env = std.extVar("env"),
-  local namespace = env.GITHUB_REF_SLUG,
+  local namespace = env.GITHUB_HEAD_REF_SLUG,
   local tag = namespace,
   local url = if namespace == "master" then "workadventu.re" else namespace+".test.workadventu.re",
   // develop branch does not use admin because of issue with SSL certificate of admin as of now.