diff --git a/lib/appenders/file.js b/lib/appenders/file.js
index 9b00326f..f2c194b4 100644
--- a/lib/appenders/file.js
+++ b/lib/appenders/file.js
@@ -58,7 +58,7 @@ function fileAppender(file, layout, logSize, numBackups, options, timezoneOffset
       const regex = /\x1b[[0-9;]*m/g;
       loggingEvent.data = loggingEvent.data.map(d => {
         if (typeof d === 'string') return d.replace(regex, '')
-        else return d
+        return d
       })
     }
     if (!writer.write(layout(loggingEvent, timezoneOffset) + eol, "utf8")) {