diff --git a/.github/workflows/notifications.yml b/.github/workflows/notifications.yml
index c8a84bf3d..e06c5116b 100644
--- a/.github/workflows/notifications.yml
+++ b/.github/workflows/notifications.yml
@@ -6,11 +6,11 @@ on:
       - completed
 jobs:
   notify-teams-pr:
-    if: ${{github.event.workflow_run.event == 'pull_request' && vars.MS_TEAMS_WEBHOOK_URI}}
+    if: ${{github.event.workflow_run.event == 'pull_request' && vars.MS_TEAMS_WEBHOOK_URI != null}}
     runs-on: ubuntu-24.04
     steps:
       - uses: simbo/msteams-message-card-action@latest
-        if: ${{ vars.MS_TEAMS_WEBHOOK_URI }}
+        if: ${{ vars.MS_TEAMS_WEBHOOK_URI != null}}
         with:
           webhook: ${{ vars.MS_TEAMS_WEBHOOK_URI }}
           title: "${{github.event.workflow_run.head_commit.message}}" 
@@ -27,11 +27,11 @@ jobs:
                 image: ${{github.event.workflow_run.head_repository.owner.avatar_url}}
                 text: PR Opened
   notify-teams-merged:
-    if: ${{github.event.workflow_run.event == 'push' && vars.MS_TEAMS_WEBHOOK_URI}}
+    if: ${{github.event.workflow_run.event == 'push' && vars.MS_TEAMS_WEBHOOK_URI != null}}
     runs-on: ubuntu-24.04
     steps:
       - name: PR Number
-        if: ${{ vars.MS_TEAMS_WEBHOOK_URI }}
+        if: ${{ vars.MS_TEAMS_WEBHOOK_URI != null }}
         id: pr
         shell: bash
         run: |
@@ -50,7 +50,7 @@ jobs:
       - uses: simbo/msteams-message-card-action@latest
         if: ${{ vars.MS_TEAMS_WEBHOOK_URI }}
         with:
-          webhook: ${{ vars.MS_TEAMS_WEBHOOK_URI }}
+          webhook: ${{ vars.MS_TEAMS_WEBHOOK_URI != null }}
           title: "${{github.event.workflow_run.head_commit.message}}" 
           message: "${{github.event.workflow_run.head_commit.message}}" 
           color: 'dark orange'