diff --git a/src/main/java/org/gcube/informationsystem/resourceregistry/publisher/ResourceRegistryPublisher.java b/src/main/java/org/gcube/informationsystem/resourceregistry/publisher/ResourceRegistryPublisher.java
index d0d8e66..3888a5b 100644
--- a/src/main/java/org/gcube/informationsystem/resourceregistry/publisher/ResourceRegistryPublisher.java
+++ b/src/main/java/org/gcube/informationsystem/resourceregistry/publisher/ResourceRegistryPublisher.java
@@ -41,6 +41,8 @@ public interface ResourceRegistryPublisher {
 	public boolean isIncludeContextsInHeader();
 
 	public void setIncludeContextsInHeader(boolean includeContextsInHeader);
+
+	public void addHeader(String name, String value);
 	
 	
 	public List<Context> getAllContext() throws ResourceRegistryException;
diff --git a/src/main/java/org/gcube/informationsystem/resourceregistry/publisher/ResourceRegistryPublisherImpl.java b/src/main/java/org/gcube/informationsystem/resourceregistry/publisher/ResourceRegistryPublisherImpl.java
index 2c1c1b9..405d065 100644
--- a/src/main/java/org/gcube/informationsystem/resourceregistry/publisher/ResourceRegistryPublisherImpl.java
+++ b/src/main/java/org/gcube/informationsystem/resourceregistry/publisher/ResourceRegistryPublisherImpl.java
@@ -128,6 +128,7 @@ public class ResourceRegistryPublisherImpl implements ResourceRegistryPublisher
 
 	};
 	
+	@Override
 	public void addHeader(String name, String value) {
 		headers.put(name, value);
 	}