diff --git a/functions/adoption/libs/queries.py b/functions/adoption/libs/queries.py
index 432fcd8..026cee9 100644
--- a/functions/adoption/libs/queries.py
+++ b/functions/adoption/libs/queries.py
@@ -20,7 +20,7 @@ def list_data(params):
   technology_array = convert_to_array(params['technology'])
   data = []
 
-  if 'end' in params and params['end'] == 'latest':
+  if 'start' in params and params['start'] == 'latest':
     params['start'] = get_latest_date()
 
   for technology in technology_array:
diff --git a/functions/cwvtech/libs/queries.py b/functions/cwvtech/libs/queries.py
index 11aa709..72c8ba6 100644
--- a/functions/cwvtech/libs/queries.py
+++ b/functions/cwvtech/libs/queries.py
@@ -19,7 +19,7 @@ def list_data(params):
   technology_array = convert_to_array(params['technology'])
   data = []
 
-  if 'end' in params and params['end'] == 'latest':
+  if 'start' in params and params['start'] == 'latest':
     params['start'] = get_latest_date()
 
   for technology in technology_array:
diff --git a/functions/lighthouse/libs/queries.py b/functions/lighthouse/libs/queries.py
index f654589..09d33c9 100644
--- a/functions/lighthouse/libs/queries.py
+++ b/functions/lighthouse/libs/queries.py
@@ -20,7 +20,7 @@ def list_data(params):
   technology_array = convert_to_array(params['technology'])
   data = []
 
-  if 'end' in params and params['end'] == 'latest':
+  if 'start' in params and params['start'] == 'latest':
     params['start'] = get_latest_date()
 
   for technology in technology_array:
diff --git a/functions/page-weight/libs/queries.py b/functions/page-weight/libs/queries.py
index 05af661..8d4d29d 100644
--- a/functions/page-weight/libs/queries.py
+++ b/functions/page-weight/libs/queries.py
@@ -20,7 +20,7 @@ def list_data(params):
   technology_array = convert_to_array(params['technology'])
   data = []
 
-  if 'end' in params and params['end'] == 'latest':
+  if 'start' in params and params['start'] == 'latest':
     params['start'] = get_latest_date()
 
   for technology in technology_array: