diff --git a/crawler/data_access.py b/crawler/data_access.py
index 007f4e8..a2cd939 100644
--- a/crawler/data_access.py
+++ b/crawler/data_access.py
@@ -134,10 +134,13 @@ class Listing:
         return max_sqm
 
     async def calculate_sqm_ocr(self, recalculate=True):
-        if not recalculate and self.path_floorplan_ocr_json().exists():
+        objs = []
+        if self.path_floorplan_ocr_json().exists():
+            with open(self.path_floorplan_ocr_json()) as f:
+                objs = json.load(f)
+        if not recalculate and len(objs) > 0:
             return
 
-        objs = []
         for floorplan_path in self.list_floorplans():
             estimated_sqm, model_output = await asyncio.to_thread(
                 floorplan.calculate_ocr, floorplan_path)