diff --git a/src/main/java/voot/provider/InviteProvider.java b/src/main/java/voot/provider/InviteProvider.java
index 0dd1dda..d8ad00a 100644
--- a/src/main/java/voot/provider/InviteProvider.java
+++ b/src/main/java/voot/provider/InviteProvider.java
@@ -1,9 +1,10 @@
 package voot.provider;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.core.ParameterizedTypeReference;
 import org.springframework.http.HttpMethod;
 import org.springframework.http.RequestEntity;
-import org.springframework.http.ResponseEntity;
 import voot.model.Group;
 import voot.model.Member;
 import voot.model.Membership;
@@ -14,6 +15,8 @@
 
 public class InviteProvider extends AbstractProvider {
 
+    private static final Logger LOG = LoggerFactory.getLogger(InviteProvider.class);
+
     private final String groupMembershipsUrlTemplate;
 
     public InviteProvider(Configuration configuration) {
@@ -26,8 +29,16 @@ public boolean shouldBeQueriedForMemberships(String schacHomeOrganization) {
         return true;
     }
 
+    @Override
+    public boolean isExternalGroupProvider() {
+        return false;
+    }
+
+
     @Override
     public Set<Group> getGroupMemberships(String uid) {
+        LOG.debug("Calling getGroupMemberships for " + uid);
+
         String uri = String.format(groupMembershipsUrlTemplate, configuration.url, uid);
         RequestEntity<List<Map<String, String>>> requestEntity = new RequestEntity<>(HttpMethod.GET, URI.create(uri));
         return restTemplate.exchange(requestEntity, new ParameterizedTypeReference<List<Map<String, String>>>() {