diff --git a/.github/workflows/nightly_docker_test.yml b/.github/workflows/nightly_docker_test.yml
index 04ee901010..13a0a338c9 100644
--- a/.github/workflows/nightly_docker_test.yml
+++ b/.github/workflows/nightly_docker_test.yml
@@ -93,7 +93,7 @@ jobs:
   windows-dms-tests:
     name: Windows DMS
     needs: manifests
-    if: vars.SKIP_UNSTABLE_CONTAINERS_TEMPORARILY != 1 || needs.manifests.outputs.skip_dms == '0'
+    if: ${{ vars.SKIP_UNSTABLE_CONTAINERS_TEMPORARILY != 1 || needs.manifests.outputs.skip_dms == '0' }}
     runs-on: [self-hosted, Windows, pygeometry]
     env:
       PYVISTA_OFF_SCREEN: true
@@ -203,7 +203,7 @@ jobs:
   windows-core-tests:
     name: Windows Core Service
     needs: manifests
-    if: vars.SKIP_UNSTABLE_CONTAINERS_TEMPORARILY != 1 || needs.manifests.outputs.skip_core_windows == '0'
+    if: ${{ vars.SKIP_UNSTABLE_CONTAINERS_TEMPORARILY != 1 || needs.manifests.outputs.skip_core_windows == '0' }}
     # runs-on: [self-hosted, Windows, pygeometry]
     runs-on: # TODO: Waiting for ansys-network runner to be updated
       group: pyansys-self-hosted
@@ -321,7 +321,7 @@ jobs:
   linux-tests:
     name: Linux Core Service
     needs: manifests
-    if: vars.SKIP_UNSTABLE_CONTAINERS_TEMPORARILY != 1 || needs.manifests.outputs.skip_core_linux == '0'
+    if: ${{ vars.SKIP_UNSTABLE_CONTAINERS_TEMPORARILY != 1 || needs.manifests.outputs.skip_core_linux == '0' }}
     runs-on: ubuntu-latest
 
     steps: