diff --git a/pkg/diff/markdown.go b/pkg/diff/markdown.go
index cbd263ef..f7b5cbe8 100644
--- a/pkg/diff/markdown.go
+++ b/pkg/diff/markdown.go
@@ -192,7 +192,7 @@ func (m *MarkdownOutput) printDiff(maxDiffMessageCharCount uint) string {
 
 	if sectionsDiff.Len() == 0 {
 		if len(m.sections) > 0 {
-			sectionsDiff.WriteString(fmt.Sprintf("⚠️ Changes were found but `--max-diff-length` (%d) is too small to display them. Increase the value or check the HTML output instead.", maxDiffMessageCharCount))
+			fmt.Fprintf(&sectionsDiff, "⚠️ Changes were found but `--max-diff-length` (%d) is too small to display them. Increase the value or check the HTML output instead.", maxDiffMessageCharCount)
 			log.Warn().Msgf("🚨 --max-diff-length (%d) is too small to display any diff content. Increase the value or use the HTML output instead.", maxDiffMessageCharCount)
 		} else {
 			sectionsDiff.WriteString("No changes found")
diff --git a/pkg/utils/utils.go b/pkg/utils/utils.go
index ad7a972b..0a161e26 100644
--- a/pkg/utils/utils.go
+++ b/pkg/utils/utils.go
@@ -50,10 +50,10 @@ func CreateFolder(path string, override bool) error {
 	return err
 }
 
-var uniqueNumber uint64
+var uniqueNumber atomic.Uint64
 
 func UniqueNumber() uint64 {
-	return atomic.AddUint64(&uniqueNumber, 1)
+	return uniqueNumber.Add(1)
 }
 
 func UniqueId() string {