diff --git a/src/main/java/org/datadog/jmxfetch/util/CustomLogger.java b/src/main/java/org/datadog/jmxfetch/util/CustomLogger.java
index 934f40e15..5902e3fc3 100644
--- a/src/main/java/org/datadog/jmxfetch/util/CustomLogger.java
+++ b/src/main/java/org/datadog/jmxfetch/util/CustomLogger.java
@@ -36,7 +36,7 @@ public static void setup(Level level, String logLocation, boolean logFormatRfc33
         final Configuration config = ctx.getConfiguration();
         String target = "CONSOLE";
 
-        String logPattern = logFormatRfc3339 ? LAYOUT : LAYOUT_RFC3339;
+        String logPattern = logFormatRfc3339 ? LAYOUT_RFC3339 : LAYOUT;
 
         if (logLocation != null
                 && !ConsoleAppender.Target.SYSTEM_ERR.toString().equals(logLocation)