diff --git a/src/main/java/de/tilman/log4j/EmailCollector.java b/src/main/java/de/tilman/log4j/EmailCollector.java
index 329282d..2d4e4a7 100644
--- a/src/main/java/de/tilman/log4j/EmailCollector.java
+++ b/src/main/java/de/tilman/log4j/EmailCollector.java
@@ -32,7 +32,7 @@ public class EmailCollector extends AppenderSkeleton {
 	private String emailRecipient;
 	private String emailSubject;
 	
-	private SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss,S");
+	private SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss,SSS");
 	
 	public EmailCollector(int bufferSize, String smtpUser, String smtpPassword, String emailRecipient, String emailSubject) {
 		this.setName("EmailCollector");