diff --git a/.github/workflows/comment.yml b/.github/workflows/comment.yml
index e0c20c8..8a6db05 100644
--- a/.github/workflows/comment.yml
+++ b/.github/workflows/comment.yml
@@ -58,12 +58,19 @@ jobs:
               .map(annotation => `${annotation.run}: ${annotation.annotation.message}`)
               .join('\n');
 
-            console.log(annotationContent);
+            // check if no changes
+            let gnuTestReport = annotationContent.includes('Run GNU findutils tests: Gnu tests No changes');
+            let bfsTestReport = annotationContent.includes('Run BFS tests: BFS tests No changes');
+
+            if (gnuTestReport && bfsTestReport) {
+              console.log('No changes');
+              return;
+            }
 
             // Comment on the PR
             github.rest.issues.createComment({
               owner: context.repo.owner,
               repo: context.repo.repo,
               issue_number: annotations.pull_request_number,
-              body: 'GNU testsuite comparison:\n```\n' + annotationContent + '\n```\n'
+              body: 'Commit ${{ github.event.workflow_run.head_sha }} has GNU testsuite comparison:\n```\n' + annotationContent + '\n```\n'
             });
\ No newline at end of file
diff --git a/util/compare_bfs_result.py b/util/compare_bfs_result.py
index 0b6a346..b96026b 100644
--- a/util/compare_bfs_result.py
+++ b/util/compare_bfs_result.py
@@ -21,6 +21,10 @@ fail_d = int(current["fail"]) - int(last["fail"])
 # Get an annotation to highlight changes
 print(f"::warning ::Changes from main: PASS {pass_d:+d} / SKIP {skip_d:+d} / FAIL {fail_d:+d}")
 
+# Check if there are no changes.
+if pass_d == 0:
+    print("::warning ::BFS tests No changes")
+
 # If results are worse fail the job to draw attention
 if pass_d < 0:
     sys.exit(1)
diff --git a/util/compare_gnu_result.py b/util/compare_gnu_result.py
index 3f6fb8c..7e5e251 100644
--- a/util/compare_gnu_result.py
+++ b/util/compare_gnu_result.py
@@ -24,6 +24,10 @@ print(
     f"::warning ::Changes from main: PASS {pass_d:+d} / FAIL {fail_d:+d} / ERROR {error_d:+d} / SKIP {skip_d:+d} "
 )
 
+# Check if there are no changes.
+if pass_d == 0:
+    print("::warning ::Gnu tests No changes")
+
 # If results are worse fail the job to draw attention
 if pass_d < 0:
     sys.exit(1)