diff --git a/parcels/particle.py b/parcels/particle.py
index 93ea35254..a72886f5f 100644
--- a/parcels/particle.py
+++ b/parcels/particle.py
@@ -115,13 +115,13 @@ def __init__(self, data: xr.Dataset, index: int):
         self._index = index
 
     def __getattr__(self, name):
-        return self._data[name].values[self._index]
+        return self._data[name].data[self._index]
 
     def __setattr__(self, name, value):
         if name in ["_data", "_index"]:
             object.__setattr__(self, name, value)
         else:
-            self._data[name][self._index] = value
+            self._data[name].data[self._index] = value
 
     def delete(self):
         """Signal the particle for deletion."""