diff --git a/src/share/classes/java/beans/Encoder.java b/src/share/classes/java/beans/Encoder.java
index 62cd8dfb518aac7d5b6250008fcbc472a1f874dc..b8728132a5d5cc3f657319b2dc6ef284c32e9ac9 100644
--- a/src/share/classes/java/beans/Encoder.java
+++ b/src/share/classes/java/beans/Encoder.java
@@ -195,7 +195,13 @@ public class Encoder {
      */
     public PersistenceDelegate getPersistenceDelegate(Class<?> type) {
         PersistenceDelegate pd = this.finder.find(type);
-        return (pd != null) ? pd : MetaData.getPersistenceDelegate(type);
+        if (pd == null) {
+            pd = MetaData.getPersistenceDelegate(type);
+            if (pd != null) {
+                this.finder.register(type, pd);
+            }
+        }
+        return pd;
     }
 
     /**