diff --git a/app/broadcast_areas/broadcast-areas.sqlite3 b/app/broadcast_areas/broadcast-areas.sqlite3
index 618139670..18bc65743 100644
Binary files a/app/broadcast_areas/broadcast-areas.sqlite3 and b/app/broadcast_areas/broadcast-areas.sqlite3 differ
diff --git a/app/broadcast_areas/polygons.py b/app/broadcast_areas/polygons.py
index f6fcd328f..38e3270c4 100644
--- a/app/broadcast_areas/polygons.py
+++ b/app/broadcast_areas/polygons.py
@@ -41,7 +41,7 @@ class Polygons():
     # The threshold for removing very small areas from the map. These
     # areas are likely glitches in  the data where the shoreline hasn’t
     # been subtracted from the land properly
-    minimum_area_size_square_metres = 50 ** 2
+    minimum_area_size_square_metres = 14_000
 
     def __init__(self, polygons):
         if not polygons: