diff --git a/src/main/java/ysoserial/exploit/JRMPListener.java b/src/main/java/ysoserial/exploit/JRMPListener.java
index 17ff6f83..d4f483e4 100644
--- a/src/main/java/ysoserial/exploit/JRMPListener.java
+++ b/src/main/java/ysoserial/exploit/JRMPListener.java
@@ -21,6 +21,8 @@
 import java.rmi.server.ObjID;
 import java.rmi.server.UID;
 import java.util.Arrays;
+import java.util.Date;
+import java.text.SimpleDateFormat;
 
 import javax.management.BadAttributeValueExpException;
 import javax.net.ServerSocketFactory;
@@ -75,7 +77,7 @@ public boolean waitFor ( int i ) {
             if ( this.hadConnection ) {
                 return true;
             }
-            System.err.println("Waiting for connection");
+            printLogEntry("Waiting for connection");
             synchronized ( this.waitLock ) {
                 this.waitLock.wait(i);
             }
@@ -114,7 +116,7 @@ public static final void main ( final String[] args ) {
 
         try {
             int port = Integer.parseInt(args[ 0 ]);
-            System.err.println("* Opening JRMP listener on " + port);
+            printLogEntry("* Opening JRMP listener on " + port);
             JRMPListener c = new JRMPListener(port, payloadObject);
             c.run();
         }
@@ -134,7 +136,7 @@ public void run () {
                     try {
                         s.setSoTimeout(5000);
                         InetSocketAddress remote = (InetSocketAddress) s.getRemoteSocketAddress();
-                        System.err.println("Have connection from " + remote);
+                        printLogEntry("Have connection from " + remote);
 
                         InputStream is = s.getInputStream();
                         InputStream bufIn = is.markSupported() ? is : new BufferedInputStream(is);
@@ -172,7 +174,7 @@ public void run () {
                             break;
                         default:
                         case TransportConstants.MultiplexProtocol:
-                            System.err.println("Unsupported protocol");
+                            printLogEntry("Unsupported protocol");
                             s.close();
                             continue;
                         }
@@ -187,7 +189,7 @@ public void run () {
                         e.printStackTrace(System.err);
                     }
                     finally {
-                        System.err.println("Closing connection");
+                        printLogEntry("Closing connection");
                         s.close();
                     }
 
@@ -214,7 +216,7 @@ public void run () {
 
 
     private void doMessage ( Socket s, DataInputStream in, DataOutputStream out, Object payload ) throws Exception {
-        System.err.println("Reading message...");
+        printLogEntry("Reading message...");
 
         int op = in.read();
 
@@ -269,10 +271,10 @@ protected Class<?> resolveClass ( ObjectStreamClass desc ) throws IOException, C
         if ( read.hashCode() == 2 ) {
             ois.readInt(); // method
             ois.readLong(); // hash
-            System.err.println("Is DGC call for " + Arrays.toString((ObjID[])ois.readObject()));
+            printLogEntry("Is DGC call for " + Arrays.toString((ObjID[])ois.readObject()));
         }
 
-        System.err.println("Sending return with payload for obj " + read);
+        printLogEntry("Sending return with payload for obj " + read);
 
         out.writeByte(TransportConstants.Return);// transport op
         ObjectOutputStream oos = new JRMPClient.MarshalOutputStream(out, this.classpathUrl);
@@ -309,6 +311,11 @@ protected static Object makeDummyObject (String className) {
         }
     }
 
+    private static void printLogEntry(String message) {
+        Date now = new Date();
+        SimpleDateFormat sdf = new SimpleDateFormat("MM/dd/yyyy HH:mm:ss");
+        System.err.println(sdf.format(now)+": "+message);
+    }
 
     public static class Dummy implements Serializable {
         private static final long serialVersionUID = 1L;