diff --git a/node.go b/node.go
index cf95856..82d3fb9 100644
--- a/node.go
+++ b/node.go
@@ -93,6 +93,10 @@ func (this *conversionState) convert(n node.Node) (string, error) {
 		return "", err
 	}
 
+	if len(freePrefix) > 0 && !(strings.HasSuffix(freePrefix, "\n") || strings.HasSuffix(freePrefix, `*/`)) {
+		freePrefix += "\n"
+	}
+
 	return freePrefix + ret + freeSuffix, nil
 }