diff --git a/ems-core/src/main/java/it/integry/ems/json/ResponseJSONObjectMapper.java b/ems-core/src/main/java/it/integry/ems/json/ResponseJSONObjectMapper.java
index 7533d20170..c7f3aaf2c7 100644
--- a/ems-core/src/main/java/it/integry/ems/json/ResponseJSONObjectMapper.java
+++ b/ems-core/src/main/java/it/integry/ems/json/ResponseJSONObjectMapper.java
@@ -102,7 +102,7 @@ public class ResponseJSONObjectMapper extends ObjectMapper {
                                     if (onlyPkMaster && child != null)
                                         return;
 
-                                    if (pk != null || child != null || (sqlField != null && sqlField.isReturned())) {
+                                    if (pk != null || child != null || (sqlField != null && sqlField.isReturned()) || !onlyPkMaster) {
 
                                         writer.serializeAsField(pojo, jgen, provider);
                                     }