diff --git a/changelog.html b/changelog.html
index ec3a90e1f5..e52c1e2406 100644
--- a/changelog.html
+++ b/changelog.html
@@ -87,6 +87,8 @@ Upcoming changes</a>
   <li class=rfe>
     Exploit commons-codec for Base64 encoding rather than proprietary sun.misc.BASE64Encoder
     (<a href="http://issues.jenkins-ci.org/browse/JENKINS-9521">issue 9521</a>)
+  <li class=rfe>
+    Order of extension implementations is made bit more deterministic
 </ul>
 </div><!--=END=-->
 <h3><a name=v1.410>What's new in 1.410</a> (2011/05/01)</h3>
diff --git a/core/src/main/java/hudson/ExtensionComponent.java b/core/src/main/java/hudson/ExtensionComponent.java
index 2f7eea3e13..8b0af778d4 100644
--- a/core/src/main/java/hudson/ExtensionComponent.java
+++ b/core/src/main/java/hudson/ExtensionComponent.java
@@ -24,6 +24,8 @@
 
 package hudson;
 
+import hudson.model.Descriptor;
+
 /**
  * Discovered {@link Extension} object with a bit of metadata for Hudson.
  * This is a plain value object.
@@ -72,6 +74,12 @@ public class ExtensionComponent<T> implements Comparable<ExtensionComponent<T>>
         double b = that.ordinal();
         if (a>b)    return -1;
         if (a<b)    return 1;
-        return 0;
+
+        // make the order bit more deterministic among extensions of the same ordinal
+        if (this.instance instanceof Descriptor) {
+            return ((Descriptor)this.instance).getDisplayName().compareTo(((Descriptor)that.instance).getDisplayName());
+        } else {
+            return this.instance.getClass().getName().compareTo(that.instance.getClass().getName());
+        }
     }
 }