diff --git a/handler/src/main/java/io/netty/handler/logging/LoggingHandler.java b/handler/src/main/java/io/netty/handler/logging/LoggingHandler.java
index ae2577f4b4..3573fd30b8 100644
--- a/handler/src/main/java/io/netty/handler/logging/LoggingHandler.java
+++ b/handler/src/main/java/io/netty/handler/logging/LoggingHandler.java
@@ -312,7 +312,7 @@ public class LoggingHandler extends ChannelDuplexHandler {
         String arg1Str = String.valueOf(firstArg);
         String arg2Str = secondArg.toString();
         StringBuilder buf = new StringBuilder(
-                chStr.length() + 1 + eventName + 2 + arg1Str.length() + 2 + arg2Str.length());
+                chStr.length() + 1 + eventName.length() + 2 + arg1Str.length() + 2 + arg2Str.length());
         buf.append(chStr).append(' ').append(eventName).append(": ").append(arg1Str).append(", ").append(arg2Str);
         return buf.toString();
     }
diff --git a/handler/src/test/java/io/netty/handler/logging/LoggingHandlerTest.java b/handler/src/test/java/io/netty/handler/logging/LoggingHandlerTest.java
index 436fbad7df..28416888ba 100644
--- a/handler/src/test/java/io/netty/handler/logging/LoggingHandlerTest.java
+++ b/handler/src/test/java/io/netty/handler/logging/LoggingHandlerTest.java
@@ -146,8 +146,8 @@ public class LoggingHandlerTest {
     public void shouldLogChannelConnectWithLocalAddress() throws Exception {
         EmbeddedChannel channel = new EmbeddedChannel(new LoggingHandler());
         channel.connect(new InetSocketAddress(80), new InetSocketAddress(81)).await();
-        verify(appender).doAppend(argThat(
-                new RegexLogMatcher(".+CONNECT: 0.0.0.0/0.0.0.0:80, 0.0.0.0/0.0.0.0:81$")));
+        verify(appender).doAppend(argThat(new RegexLogMatcher(
+                "^\\[id: 0xembedded, L:embedded - R:embedded\\] CONNECT: 0.0.0.0/0.0.0.0:80, 0.0.0.0/0.0.0.0:81$")));
     }
 
     @Test