diff --git a/apps/explorer/lib/explorer/chain/statistics.ex b/apps/explorer/lib/explorer/chain/statistics.ex
index 5dc8d3ecee..cebe2975fe 100644
--- a/apps/explorer/lib/explorer/chain/statistics.ex
+++ b/apps/explorer/lib/explorer/chain/statistics.ex
@@ -13,10 +13,9 @@ defmodule Explorer.Chain.Statistics do
   @average_time_query """
     SELECT coalesce(avg(difference), interval '0 seconds')
     FROM (
-      SELECT timestamp - lag(timestamp) over (order by timestamp) as difference
-      FROM blocks
-      ORDER BY number DESC
-      LIMIT 100
+      SELECT b.timestamp - lag(b.timestamp) over (order by b.timestamp) as difference
+      FROM (SELECT * FROM blocks ORDER BY number DESC LIMIT 101) b
+      LIMIT 100 OFFSET 1
     ) t
   """
 
diff --git a/apps/explorer/test/explorer/chain/statistics_test.exs b/apps/explorer/test/explorer/chain/statistics_test.exs
index 1837717604..78a5f90026 100644
--- a/apps/explorer/test/explorer/chain/statistics_test.exs
+++ b/apps/explorer/test/explorer/chain/statistics_test.exs
@@ -27,11 +27,14 @@ defmodule Explorer.Chain.StatisticsTest do
       assert Timex.diff(statistics.timestamp, time, :seconds) == 0
     end
 
-    test "returns the average time between blocks" do
+    test "returns the average time between blocks for the last 100 blocks" do
       time = DateTime.utc_now()
-      next_time = Timex.shift(time, seconds: 5)
-      insert(:block, timestamp: time)
-      insert(:block, timestamp: next_time)
+
+      insert(:block, timestamp: Timex.shift(time, seconds: -1000))
+
+      for x <- 100..0 do
+        insert(:block, timestamp: Timex.shift(time, seconds: -5 * x))
+      end
 
       assert %Statistics{
                average_time: %Duration{