diff --git a/backend/beacon.py b/backend/beacon.py
index a8d89f073..f6b5754fc 100644
--- a/backend/beacon.py
+++ b/backend/beacon.py
@@ -7,8 +7,10 @@ class Query(handlers.UnsafeHandler):
     def make_error_response(self):
         ret_str = ""
 
+        datasets = ['SweGen', 'ACpop']
+
         checks = {
-                'dataset': lambda x: "" if x == 'SweGen' else "dataset has to be SweGen\n",
+                'dataset': lambda x: "" if x in datasets else "dataset has to be SweGen\n",
                 'ref': lambda x: "" if x == 'hg19' else "ref has to be hg19\n",
                 'pos': lambda x: "" if x.isdigit() else "pos has to be digit\n",
         }
@@ -80,6 +82,10 @@ def get(self):
                     # 'data_uses': [] # Data use limitations
                     'reference': 'hg19'
                 },
+                {
+                    'id': 'ACpop',
+                    'reference': 'hg19'
+                },
             ],
             'homepage':  "%s://%s" % ('https', self.request.host),
             #'email': u'swefreq-beacon@nbis.se',