diff --git a/src/java/org/apache/commons/logging/LogFactory.java b/src/java/org/apache/commons/logging/LogFactory.java
index eb54bed..44a5e84 100644
--- a/src/java/org/apache/commons/logging/LogFactory.java
+++ b/src/java/org/apache/commons/logging/LogFactory.java
@@ -1263,21 +1263,21 @@ public abstract class LogFactory {
         // In order to avoid confusion where multiple instances of JCL are
         // being used via different classloaders within the same app, we
         // ensure each logged message has a prefix of form
-        //   LogFactory@12345: 
-        Class clazz = LogFactory.class;
+        // [LogFactory --> classloader OID]
+        // Note that this prefix should be kept consistent with that 
+        // in LogFactoryImpl
         String classLoaderName;
         try {
             ClassLoader classLoader = thisClassLoader;
             if (thisClassLoader == null) {
                 classLoaderName = "BOOTLOADER";
             } else {
-                classLoaderName = String.valueOf(System.identityHashCode(classLoader));
+                classLoaderName = objectId(classLoader);
             }
         } catch(SecurityException e) {
             classLoaderName = "UNKNOWN";
         }
-        diagnosticPrefix = 
-            clazz.getName() + "@" + classLoaderName + ": ";
+        diagnosticPrefix = "[LogFactory     -> " + classLoaderName + "] ";
     }
 
     /**
diff --git a/src/java/org/apache/commons/logging/impl/LogFactoryImpl.java b/src/java/org/apache/commons/logging/impl/LogFactoryImpl.java
index 3f800b9..216def7 100644
--- a/src/java/org/apache/commons/logging/impl/LogFactoryImpl.java
+++ b/src/java/org/apache/commons/logging/impl/LogFactoryImpl.java
@@ -460,9 +460,21 @@ public class LogFactoryImpl extends LogFactory {
         // see the context & impl ids from when this object was instantiated,
         // in order to link the impl id output as this object's prefix back to
         // the context it is intended to manage.
+        // Note that this prefix should be kept consistent with that 
+        // in LogFactory.
         Class clazz = this.getClass();
         ClassLoader classLoader = getClassLoader(clazz);
-        diagnosticPrefix = clazz.getName() + "@" + classLoader.toString() + ":";
+        String classLoaderName;
+        try {
+            if (classLoader == null) {
+                classLoaderName = "BOOTLOADER";
+            } else {
+                classLoaderName = objectId(classLoader);
+            }
+        } catch(SecurityException e) {
+            classLoaderName = "UNKNOWN";
+        }
+        diagnosticPrefix = "[LogFactoryImpl -> " + classLoaderName + "] ";
     }