diff --git a/config/client/java.yml b/config/client/java.yml
index 0dc473cc32d..9ac6a309538 100644
--- a/config/client/java.yml
+++ b/config/client/java.yml
@@ -15,3 +15,4 @@ licenseName: Apache License, Version 2.0
 licenseUrl: https://www.apache.org/licenses/LICENSE-2.0
 
 disallowAdditionalPropertiesIfNotPresent: false
+useOneOfDiscriminatorLookup: true