diff --git a/app/db_mgr.py b/app/db_mgr.py
index 87bb545..3177049 100644
--- a/app/db_mgr.py
+++ b/app/db_mgr.py
@@ -1,4 +1,4 @@
-from app.models import db
+from app.models import db, Period
 
 
 def projects():
@@ -8,7 +8,7 @@ def projects():
     """
     current_period_id = get_current_period()
     sql_txt = """
-            select p.id, p.name, sum(tc.charge_rate) as total_charge
+            select p.id, p.name, IFNULL(sum(tc.charge_rate), 0) as total_charge
             from project as p left join
                ( select c.project_id, c.charge_rate from charge c where c.period_id = {})
             tc
@@ -27,7 +27,7 @@ def agents():
     """
     current_period_id = get_current_period()
     sql_txt = """
-            select a.id, a.firstname, a.secondname, sum(tc.charge_rate) as total_charge
+            select a.id, a.firstname, a.secondname, IFNULL (sum(tc.charge_rate), 0) as total_charge
             from agent as a left join
                ( select c.agent_id, c.charge_rate from charge c where c.period_id = {})
             tc
@@ -207,4 +207,5 @@ def get_current_period():
     :return:  the id of the period of current day
     """
     # TODO: request on dates as soon as periods are dated
+    p = Period.query.filter(Period.name == '2021').one_or_none()
     return 14
--
libgit2 0.21.2