diff --git a/example/src/main/java/io/netty/example/localtime/LocalTimeClient.java b/example/src/main/java/io/netty/example/localtime/LocalTimeClient.java
index f922a2bcef..c061d05ca4 100644
--- a/example/src/main/java/io/netty/example/localtime/LocalTimeClient.java
+++ b/example/src/main/java/io/netty/example/localtime/LocalTimeClient.java
@@ -81,7 +81,7 @@ public class LocalTimeClient {
         Iterator<String> i1 = cities.iterator();
         Iterator<String> i2 = response.iterator();
         while (i1.hasNext()) {
-            System.out.format("%28s: %s%n", i1.next(), i2.next());
+            logger.info(String.format("%28s: %s%n", i1.next(), i2.next()));
         }
     }
 
diff --git a/example/src/main/java/io/netty/example/uptime/UptimeClientHandler.java b/example/src/main/java/io/netty/example/uptime/UptimeClientHandler.java
index 096e575db6..503f69fb83 100644
--- a/example/src/main/java/io/netty/example/uptime/UptimeClientHandler.java
+++ b/example/src/main/java/io/netty/example/uptime/UptimeClientHandler.java
@@ -25,6 +25,8 @@ import io.netty.channel.ChannelStateEvent;
 import io.netty.channel.ExceptionEvent;
 import io.netty.channel.SimpleChannelUpstreamHandler;
 import io.netty.handler.timeout.ReadTimeoutException;
+import io.netty.logging.InternalLogger;
+import io.netty.logging.InternalLoggerFactory;
 import io.netty.util.Timeout;
 import io.netty.util.Timer;
 import io.netty.util.TimerTask;
@@ -34,6 +36,9 @@ import io.netty.util.TimerTask;
  * connection attempt status.
  */
 public class UptimeClientHandler extends SimpleChannelUpstreamHandler {
+    
+    private static final InternalLogger logger =
+        InternalLoggerFactory.getInstance(UptimeClientHandler.class);
 
     final ClientBootstrap bootstrap;
     private final Timer timer;
@@ -91,9 +96,9 @@ public class UptimeClientHandler extends SimpleChannelUpstreamHandler {
 
     void println(String msg) {
         if (startTime < 0) {
-            System.err.format("[SERVER IS DOWN] %s%n", msg);
+            logger.error(String.format("[SERVER IS DOWN] %s%n", msg));
         } else {
-            System.err.format("[UPTIME: %5ds] %s%n", (System.currentTimeMillis() - startTime) / 1000, msg);
+            logger.error(String.format("[UPTIME: %5ds] %s%n", (System.currentTimeMillis() - startTime) / 1000, msg));
         }
     }
 }