diff --git a/exporter.go b/exporter.go
index 3fd1cb6c9af4d7bee1b7b62c1cd36a2b9657ba53..92acdc27644cd013754b49b36c1fe17eb8a43ff9 100644
--- a/exporter.go
+++ b/exporter.go
@@ -140,7 +140,7 @@ func (re *rsyslogExporter) run() {
 	for re.scanner.Scan() {
 		err := re.handleStatLine(re.scanner.Bytes())
 		if err != nil {
-			log.Printf("error handling stats line: %v, line was: %v", err, re.scanner.Bytes())
+			log.Printf("error handling stats line: %v, line was: %s", err, re.scanner.Bytes())
 		}
 	}
 	if err := re.scanner.Err(); err != nil {