diff --git a/log.go b/log.go
index 05a6b7e80..e5c07c206 100644
--- a/log.go
+++ b/log.go
@@ -35,7 +35,7 @@ func logOutput() (logOutput io.Writer, err error) {
 					if strings.Contains(scanner.Text(), "ui:") {
 						continue
 					}
-					os.Stderr.WriteString(fmt.Sprintf(scanner.Text() + "\n"))
+					os.Stderr.WriteString(fmt.Sprint(scanner.Text() + "\n"))
 				}
 			}(scanner)
 			logOutput = w