diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8f85c840..f0c039f8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -337,7 +337,7 @@ nightly_package_amd64_deb:
     - build-amd64-deb
   script:
     - earthly bootstrap
-    - earthly +package-linux-amd64-deb --IS_NIGHTLY=$IS_NIGHTLY
+    - earthly +package-linux-amd64-deb --IS_NIGHTLY="$IS_NIGHTLY"
     - bash scripts/cicd/build-machine/scp-amd64-debs-to-orchestrator.sh
   rules:
     - if: $IS_NIGHTLY == "true"
@@ -350,7 +350,7 @@ nightly_package_arm64_deb:
     - build-arm64-deb
   script:
     - earthly bootstrap
-    - earthly +package-linux-arm64-deb --IS_NIGHTLY=$IS_NIGHTLY
+    - earthly +package-linux-arm64-deb --IS_NIGHTLY="$IS_NIGHTLY"
     - bash scripts/cicd/build-machine/scp-arm64-debs-to-orchestrator.sh
   rules:
     - if: $IS_NIGHTLY == "true"
@@ -363,7 +363,7 @@ nightly_package_amd64_rpm:
     - build-amd64-rpm
   script:
     - earthly bootstrap
-    - earthly +package-linux-amd64-rpm --IS_NIGHTLY=$IS_NIGHTLY
+    - earthly +package-linux-amd64-rpm --IS_NIGHTLY="$IS_NIGHTLY"
     - bash scripts/cicd/build-machine/scp-amd64-rpms-to-orchestrator.sh
   rules:
     - if: $IS_NIGHTLY == "true"