diff --git a/src/main/java/org/gcube/informationsystem/resourceregistry/schema/ResourceRegistrySchemaClientImpl.java b/src/main/java/org/gcube/informationsystem/resourceregistry/schema/ResourceRegistrySchemaClientImpl.java
index 6ccf7d3..53d8911 100644
--- a/src/main/java/org/gcube/informationsystem/resourceregistry/schema/ResourceRegistrySchemaClientImpl.java
+++ b/src/main/java/org/gcube/informationsystem/resourceregistry/schema/ResourceRegistrySchemaClientImpl.java
@@ -5,6 +5,7 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
+import org.gcube.common.gxhttp.reference.GXConnection;
 import org.gcube.common.gxhttp.request.GXHTTPStringRequest;
 import org.gcube.informationsystem.model.reference.AccessType;
 import org.gcube.informationsystem.model.reference.ISManageable;
@@ -58,6 +59,8 @@ public class ResourceRegistrySchemaClientImpl implements ResourceRegistrySchemaC
 			
 			GXHTTPStringRequest gxHTTPStringRequest = GXHTTPStringRequest.newRequest(address);
 			gxHTTPStringRequest.from(ResourceRegistrySchemaClient.class.getSimpleName());
+			gxHTTPStringRequest.header("Accept", GXConnection.APPLICATION_JSON_CHARSET_UTF_8);
+			gxHTTPStringRequest.header("Content-type", GXConnection.APPLICATION_JSON_CHARSET_UTF_8);
 			gxHTTPStringRequest.path(TypePath.TYPES_PATH_PART);
 			gxHTTPStringRequest.path(typeDefinitionObj.getName());
 			
@@ -95,6 +98,7 @@ public class ResourceRegistrySchemaClientImpl implements ResourceRegistrySchemaC
 			logger.info("Going to get {} schema", type);
 			GXHTTPStringRequest gxHTTPStringRequest = GXHTTPStringRequest.newRequest(address);
 			gxHTTPStringRequest.from(ResourceRegistrySchemaClient.class.getSimpleName());
+			gxHTTPStringRequest.header("Accept", GXConnection.APPLICATION_JSON_CHARSET_UTF_8);
 			gxHTTPStringRequest.path(TypePath.TYPES_PATH_PART);
 			gxHTTPStringRequest.path(type);