diff --git a/src/main/java/org/gcube/informationsystem/resourceregistry/client/plugin/AbstractPlugin.java b/src/main/java/org/gcube/informationsystem/resourceregistry/client/plugin/AbstractPlugin.java
index a34a72f..7995810 100644
--- a/src/main/java/org/gcube/informationsystem/resourceregistry/client/plugin/AbstractPlugin.java
+++ b/src/main/java/org/gcube/informationsystem/resourceregistry/client/plugin/AbstractPlugin.java
@@ -2,7 +2,7 @@ package org.gcube.informationsystem.resourceregistry.client.plugin;
 
 
 import org.gcube.common.clients.fw.plugin.Plugin;
-import org.gcube.informationsystem.resourceregistry.Constants;
+import org.gcube.informationsystem.resourceregistry.api.Constants;
 
 /**
  * 
diff --git a/src/main/java/org/gcube/informationsystem/resourceregistry/client/plugin/ResourceRegistryClientPlugin.java b/src/main/java/org/gcube/informationsystem/resourceregistry/client/plugin/ResourceRegistryClientPlugin.java
index 0eca067..de1f503 100644
--- a/src/main/java/org/gcube/informationsystem/resourceregistry/client/plugin/ResourceRegistryClientPlugin.java
+++ b/src/main/java/org/gcube/informationsystem/resourceregistry/client/plugin/ResourceRegistryClientPlugin.java
@@ -7,7 +7,7 @@ import javax.xml.ws.EndpointReference;
 
 import org.gcube.common.clients.config.ProxyConfig;
 import org.gcube.common.clients.delegates.ProxyDelegate;
-import org.gcube.informationsystem.resourceregistry.Constants;
+import org.gcube.informationsystem.resourceregistry.api.Constants;
 import org.gcube.informationsystem.resourceregistry.api.exceptions.ResourceRegistryException;
 import org.gcube.informationsystem.resourceregistry.client.proxy.ResourceRegistryClient;
 import org.gcube.informationsystem.resourceregistry.client.proxy.ResourceRegistryClientImpl;