diff --git a/core/src/main/java/hudson/slaves/RetentionStrategy.java b/core/src/main/java/hudson/slaves/RetentionStrategy.java
index 1aaff506727c499232bba71643c1f58a21ea23e7..2bd8be82e11e79bb2a04eabe02fa8c8f7c3c5e13 100644
--- a/core/src/main/java/hudson/slaves/RetentionStrategy.java
+++ b/core/src/main/java/hudson/slaves/RetentionStrategy.java
@@ -140,7 +140,7 @@ public abstract class RetentionStrategy<T extends Computer> extends AbstractDesc
             return 1;
         }
 
-        @Extension
+        @Extension(ordinal=100)
         public static class DescriptorImpl extends Descriptor<RetentionStrategy<?>> {
             public String getDisplayName() {
                 return Messages.RetentionStrategy_Always_displayName();