diff --git a/lang/java/avro/src/main/java/org/apache/avro/specific/SpecificDatumReader.java b/lang/java/avro/src/main/java/org/apache/avro/specific/SpecificDatumReader.java
index e782c58c867..29c8ac66567 100644
--- a/lang/java/avro/src/main/java/org/apache/avro/specific/SpecificDatumReader.java
+++ b/lang/java/avro/src/main/java/org/apache/avro/specific/SpecificDatumReader.java
@@ -74,6 +74,7 @@ public SpecificDatumReader(Schema writer, Schema reader, SpecificData data) {
   /** Construct given a {@link SpecificData}. */
   public SpecificDatumReader(SpecificData data) {
     super(data);
+    trustedPackages.addAll(Arrays.asList(SERIALIZABLE_PACKAGES));
   }
 
   /** Return the contained {@link SpecificData}. */