diff --git a/src/features/phone_locations/doryab/add_doryab_extra_columns.py b/src/features/phone_locations/doryab/add_doryab_extra_columns.py
index 8b75a25f..30b7e087 100644
--- a/src/features/phone_locations/doryab/add_doryab_extra_columns.py
+++ b/src/features/phone_locations/doryab/add_doryab_extra_columns.py
@@ -115,7 +115,7 @@ cluster_on = provider["CLUSTER_ON"]
 strategy = provider["INFER_HOME_LOCATION_STRATEGY"]
 days_threshold = provider["MINIMUM_DAYS_TO_DETECT_HOME_CHANGES"]
 
-if not location_data.timestamp.is_monotonic:
+if not location_data.timestamp.is_monotonic_increasing:
     location_data.sort_values(by=["timestamp"], inplace=True)
 
 location_data["duration_in_seconds"] = -1 * location_data.timestamp.diff(-1) / 1000