diff --git a/airflow/utils/context.py b/airflow/utils/context.py
index 9475abd5a4366..4543a8066a970 100644
--- a/airflow/utils/context.py
+++ b/airflow/utils/context.py
@@ -53,6 +53,7 @@
     "ds",
     "ds_nodash",
     "execution_date",
+    "expanded_ti_count",
     "exception",
     "inlets",
     "logical_date",