Fix expression for job execution condition
diff --git a/.github/workflows/ceph.yml b/.github/workflows/ceph.yml
index df302e5..b08d646 100644
--- a/.github/workflows/ceph.yml
+++ b/.github/workflows/ceph.yml
@@ -30,7 +30,7 @@
 jobs:
   debug:
     runs-on: ubuntu-20.04-16-cores
-    if: ${{ github.event_name == 'workflow_dispatch' && inputs.debug_enabled }}
+    if: github.event_name == 'workflow_dispatch' && inputs.debug_enabled
     steps:
       - name: Checkout project
         uses: actions/checkout@v3
@@ -66,7 +66,7 @@
 
   test:
     runs-on: ubuntu-20.04-16-cores
-    if: ! ${{ github.event_name == 'workflow_dispatch' && inputs.debug_enabled }}
+    if: !(github.event_name == 'workflow_dispatch' && inputs.debug_enabled)
     steps:
       - name: Checkout project
         uses: actions/checkout@v3