diff --git a/lib/customer_usage.rb b/lib/customer_usage.rb
index 7da46decfe5578bd9d966cb601bcd5c1a33fc1f9..a6aa1eccdca6a923d75954dd761148e9acc57304 100644
--- a/lib/customer_usage.rb
+++ b/lib/customer_usage.rb
@@ -58,7 +58,7 @@ class CustomerUsage
 			date_trunc('day', start)::date as day,
 			CEIL(SUM(billsec)/60.0)::integer as minutes
 		FROM cdr
-		WHERE customer_id=$1 and start >= $3 and start < $2
+		WHERE customer_id=$1 and start >= $3 and date_trunc('day', start) <= $2
 		GROUP BY date_trunc('day', start);
 	SQL