diff --git a/instrumentation/opentelemetry_ecto/lib/opentelemetry_ecto.ex b/instrumentation/opentelemetry_ecto/lib/opentelemetry_ecto.ex
index 88e9dfc..e40a1e2 100644
--- a/instrumentation/opentelemetry_ecto/lib/opentelemetry_ecto.ex
+++ b/instrumentation/opentelemetry_ecto/lib/opentelemetry_ecto.ex
@@ -81,7 +81,7 @@ defmodule OpentelemetryEcto do
     attributes =
       measurements
       |> Enum.reduce(%{}, fn
-        {k, v}, acc when not is_nil(v) and k in [:decode_time, :query_time, :queue_time] ->
+        {k, v}, acc when not is_nil(v) and k in [:decode_time, :query_time, :queue_time, :idle_time] ->
           Map.put(acc, String.to_atom("#{k}_#{time_unit}s"), System.convert_time_unit(v, :native, time_unit))
 
         _, acc ->