diff --git a/java/j2me/org/linphone/core/LinphoneCoreException.java b/java/j2me/org/linphone/core/LinphoneCoreException.java
index 10900a633..105224ee4 100644
--- a/java/j2me/org/linphone/core/LinphoneCoreException.java
+++ b/java/j2me/org/linphone/core/LinphoneCoreException.java
@@ -34,7 +34,7 @@ public class LinphoneCoreException extends Exception {
 	}
 
 	public LinphoneCoreException(String detailMessage,Throwable e) {
-		super(detailMessage);
+		super(detailMessage + "caused by ["+e.getClass().getName()+" "+ e.getMessage()+"]");
 		mE = e;
 	}