diff --git a/.github/workflows/cd-push.yml b/.github/workflows/cd-push.yml
index db427e8a..29f40b91 100644
--- a/.github/workflows/cd-push.yml
+++ b/.github/workflows/cd-push.yml
@@ -28,4 +28,4 @@ jobs:
           tags: |
             bigbluebutton/greenlight:master
             bigbluebutton/greenlight:latest
-          build-args: version_code=${GITHUB_SHA::8}
+          build-args: version_code=${{ GITHUB_SHA::8 }}
diff --git a/.github/workflows/cd-release.yml b/.github/workflows/cd-release.yml
index 6ff62269..a33fbeb5 100644
--- a/.github/workflows/cd-release.yml
+++ b/.github/workflows/cd-release.yml
@@ -27,5 +27,5 @@ jobs:
           tags: |
             bigbluebutton/greenlight:latest
             bigbluebutton/greenlight:v2
-            bigbluebutton/greenlight:${GITHUB_REF##*/}
-          build-args: version_code=${GITHUB_REF##*/release-}
+            bigbluebutton/greenlight:${{ GITHUB_REF##*/ }}
+          build-args: version_code=${{ GITHUB_REF##*/release- }}