diff --git a/src/main/python/calibrate.py b/src/main/python/calibrate.py
index 07596d0..de54d1b 100644
--- a/src/main/python/calibrate.py
+++ b/src/main/python/calibrate.py
@@ -47,7 +47,7 @@
 
 def filter_persons(persons):
     persons = gpd.GeoDataFrame(persons, geometry=gpd.points_from_xy(persons.home_x, persons.home_y))
-    df = gpd.sjoin(persons.set_crs("EPSG:25832"), region, how="inner", op="intersects")
+    df = gpd.sjoin(persons.set_crs("EPSG:25832"), region, how="inner", predicate="intersects")
 
     print("Filtered %s persons" % len(df))