diff --git a/src/main/java/org/gcube/common/keycloak/DefaultKeycloakClientLegacyIS.java b/src/main/java/org/gcube/common/keycloak/DefaultKeycloakClientLegacyIS.java
index efb4d17..7bc3ff9 100644
--- a/src/main/java/org/gcube/common/keycloak/DefaultKeycloakClientLegacyIS.java
+++ b/src/main/java/org/gcube/common/keycloak/DefaultKeycloakClientLegacyIS.java
@@ -15,10 +15,14 @@ import org.gcube.common.resources.gcore.ServiceEndpoint.AccessPoint;
 import org.gcube.common.scope.api.ScopeProvider;
 import org.gcube.resources.discovery.client.api.DiscoveryClient;
 import org.gcube.resources.discovery.client.queries.api.SimpleQuery;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 @SuppressWarnings("deprecation")
 public class DefaultKeycloakClientLegacyIS extends DefaultKeycloakClient implements KeycloakClientLegacyIS {
 
+    protected static Logger logger = LoggerFactory.getLogger(DefaultKeycloakClientLegacyIS.class);
+
     @Override
     public URL findTokenEndpointURL() throws KeycloakClientException {
         logger.debug("Checking ScopeProvider's scope presence and format");
diff --git a/src/main/java/org/gcube/common/keycloak/KeycloakClientLegacyIS.java b/src/main/java/org/gcube/common/keycloak/KeycloakClientLegacyIS.java
index 16aa334..e5e6741 100644
--- a/src/main/java/org/gcube/common/keycloak/KeycloakClientLegacyIS.java
+++ b/src/main/java/org/gcube/common/keycloak/KeycloakClientLegacyIS.java
@@ -14,7 +14,6 @@ public interface KeycloakClientLegacyIS extends KeycloakClient {
     String NAME = "IAM";
     String DESCRIPTION = "oidc-token endpoint";
 
-
     /**
      * Finds the keycloak <code>token</code> endpoint {@link URL} discovering it in the current scope provided by {@link ScopeProvider}
      *