diff --git a/.github/workflows/slack-report.yml b/.github/workflows/slack-report.yml
index d4926594bb45ee..61da83681ba158 100644
--- a/.github/workflows/slack-report.yml
+++ b/.github/workflows/slack-report.yml
@@ -58,6 +58,7 @@ jobs:
 
       # Upload complete failure tables, as they might be big and only truncated versions could be sent to Slack.
       - name: Failure table artifacts
+        # Only the model testing job is concerned for this step
         if: ${{ inputs.job == 'run_tests_gpu' }}
         uses: actions/upload-artifact@v3
         with:
diff --git a/utils/notification_service.py b/utils/notification_service.py
index ab7769e5ca874c..999cdc6987e7c5 100644
--- a/utils/notification_service.py
+++ b/utils/notification_service.py
@@ -1153,8 +1153,11 @@ def prepare_reports(title, header, reports, to_truncate=True):
     if not os.path.isdir(os.path.join(os.getcwd(), "prev_ci_results")):
         os.makedirs(os.path.join(os.getcwd(), "prev_ci_results"))
 
-    with open("prev_ci_results/model_results.json", "w", encoding="UTF-8") as fp:
-        json.dump(model_results, fp, indent=4, ensure_ascii=False)
+    # Only the model testing job is concerned: this condition is to avoid other jobs to upload the empty list as
+    # results.
+    if job_name == "run_tests_gpu":
+        with open("prev_ci_results/model_results.json", "w", encoding="UTF-8") as fp:
+            json.dump(model_results, fp, indent=4, ensure_ascii=False)
 
     prev_ci_artifacts = None
     target_workflow = "huggingface/transformers/.github/workflows/self-scheduled.yml@refs/heads/main"