diff --git a/src/main/java/org/gcube/application/framework/core/util/GenericResource.java b/src/main/java/org/gcube/application/framework/core/util/GenericResource.java
index 2689e7f..a5e804f 100644
--- a/src/main/java/org/gcube/application/framework/core/util/GenericResource.java
+++ b/src/main/java/org/gcube/application/framework/core/util/GenericResource.java
@@ -484,7 +484,7 @@ public class GenericResource implements GenericResourceInfoI {
 		List<ISGenericResource> output = new ArrayList<ISGenericResource>();
 		SimpleQuery queryMan = null;
 		try {
-			client = clientFor(org.gcube.common.resources.gcore.GenericResource.class);
+			DiscoveryClient<org.gcube.common.resources.gcore.GenericResource> client = clientFor(org.gcube.common.resources.gcore.GenericResource.class);
 			queryMan = queryFor(org.gcube.common.resources.gcore.GenericResource.class);
 			queryMan.addCondition("$resource/Profile/SecondaryType eq '"+type+"'");
 			List <org.gcube.common.resources.gcore.GenericResource> results = client.submit(queryMan);