diff --git a/src/main/java/com/inteligr8/rs/Client.java b/src/main/java/com/inteligr8/rs/Client.java
index fc5eaa2..8333763 100644
--- a/src/main/java/com/inteligr8/rs/Client.java
+++ b/src/main/java/com/inteligr8/rs/Client.java
@@ -72,6 +72,9 @@ public abstract class Client {
 	    this.getConfig().configureJacksonMapper(om);
 	    
 	    JacksonJaxbJsonProvider provider = new JacksonJaxbJsonProvider(om, JacksonJaxbJsonProvider.DEFAULT_ANNOTATIONS);
+        provider.enable(DeserializationFeature.READ_UNKNOWN_ENUM_VALUES_AS_NULL);
+	    provider.disable(DeserializationFeature.READ_UNKNOWN_ENUM_VALUES_USING_DEFAULT_VALUE);
+	    
 		this.getConfig().configureJacksonProvider(provider);
         
 		if (this.getConfig().isWrapRootValueEnabled())