diff --git a/qa/tasks/radosgw_admin.py b/qa/tasks/radosgw_admin.py
index 8e744e3b6628e..f23a3b9ef4092 100644
--- a/qa/tasks/radosgw_admin.py
+++ b/qa/tasks/radosgw_admin.py
@@ -908,7 +908,7 @@ def task(ctx, config):
         stdin=StringIO(json.dumps(out)),
         check_status=True)
 
-    (err, out) = rgwadmin(ctx, client, ['zone', 'get','--rgw-zone','default'])
+    (err, out) = rgwadmin(ctx, client, ['zone', 'get'])
     assert len(out) > 0
     assert len(out['placement_pools']) == orig_placement_pools + 1
 
@@ -918,6 +918,9 @@ def task(ctx, config):
 
     (err, out) = rgwadmin(ctx, client, zonecmd, check_status=True)
 
+    # TESTCASE 'zonegroup-info', 'zonegroup', 'get', 'get zonegroup info', 'succeeds'
+    (err, out) = rgwadmin(ctx, client, ['zonegroup', 'get'], check_status=True)
+
 import sys
 from tasks.radosgw_admin import task
 from teuthology.config import config
diff --git a/src/rgw/rgw_rados.cc b/src/rgw/rgw_rados.cc
index cfcacfbd252b8..184134287a739 100644
--- a/src/rgw/rgw_rados.cc
+++ b/src/rgw/rgw_rados.cc
@@ -482,9 +482,9 @@ int RGWZoneGroup::read_default_id(string& default_id, bool old_format)
     /* try using default realm */
     RGWRealm realm;
     int ret = realm.init(cct, store);
+    // no default realm exist
     if (ret < 0) {
-      ldout(cct, 10) << "could not read realm id: " << cpp_strerror(-ret) << dendl;
-      return -ENOENT;
+      return read_id(default_zonegroup_name, default_id);
     }
     realm_id = realm.get_id();
   }
@@ -1808,9 +1808,9 @@ int RGWZoneParams::read_default_id(string& default_id, bool old_format)
     /* try using default realm */
     RGWRealm realm;
     int ret = realm.init(cct, store);
+    //no default realm exist
     if (ret < 0) {
-      ldout(cct, 10) << "could not read realm id: " << cpp_strerror(-ret) << dendl;
-      return -ENOENT;
+      return read_id(default_zone_name, default_id);
     }
     realm_id = realm.get_id();
   }