diff --git a/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/sql/PostgresDictionary.java b/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/sql/PostgresDictionary.java
index a6bd7a4b0..0d4e8e5cb 100644
--- a/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/sql/PostgresDictionary.java
+++ b/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/sql/PostgresDictionary.java
@@ -98,6 +98,7 @@ public class PostgresDictionary
         maxColumnNameLength = 63;
         maxIndexNameLength = 63;
         maxConstraintNameLength = 63;
+        maxAutoAssignNameLength = 63;
         schemaCase = SCHEMA_CASE_LOWER;
         rangePosition = RANGE_POST_LOCK;
         requiresAliasForSubselect = true;