diff --git a/lib/constants.js b/lib/constants.js
index dd980b375..0bafe9e61 100644
--- a/lib/constants.js
+++ b/lib/constants.js
@@ -15,8 +15,8 @@ exports.LOG_INFO = 'INFO'
 exports.LOG_DEBUG = 'DEBUG'
 
 // Default patterns for the pattern layout.
-exports.COLOR_PATTERN = '%[%p [%c]: %]%m'
-exports.NO_COLOR_PATTERN = '%p [%c]: %m'
+exports.COLOR_PATTERN = '%[%d{DATE}:%p [%c]: %]%m'
+exports.NO_COLOR_PATTERN = '%d{DATE}:%p [%c]: %m'
 
 // Default console appender
 exports.CONSOLE_APPENDER = {