diff --git a/logger.go b/logger.go
index a55d26e0..d2869f51 100644
--- a/logger.go
+++ b/logger.go
@@ -191,7 +191,7 @@ func LoggerWithConfig(conf LoggerConfig) HandlerFunc {
 
 			param.Path = path
 
-			fmt.Fprintf(out, formatter(param))
+			fmt.Fprint(out, formatter(param))
 		}
 	}
 }