diff --git a/xarray_ms/backend/msv2/main_dataset_factory.py b/xarray_ms/backend/msv2/main_dataset_factory.py
index 309b4fd..d3159b9 100644
--- a/xarray_ms/backend/msv2/main_dataset_factory.py
+++ b/xarray_ms/backend/msv2/main_dataset_factory.py
@@ -32,7 +32,7 @@ class MSv2ColumnSchema:
   "INTEGRATION_TIME": MSv2ColumnSchema("INTERVAL", (), np.nan, QuantityCoder),
   "TIME_CENTROID": MSv2ColumnSchema("TIME_CENTROID", (), np.nan, TimeCoder),
   "EFFECTIVE_INTEGRATION_TIME": MSv2ColumnSchema("EXPOSURE", (), np.nan, QuantityCoder),
-  "UVW": MSv2ColumnSchema("UVW", ("uvw",), np.nan, None),
+  "UVW": MSv2ColumnSchema("UVW", ("uvw_label",), np.nan, None),
   "FLAG": MSv2ColumnSchema("FLAG", ("frequency", "polarization"), 1, None),
   "VISIBILITY": MSv2ColumnSchema(
     "DATA", ("frequency", "polarization"), np.nan + np.nan * 1j, None
@@ -42,7 +42,7 @@ class MSv2ColumnSchema:
   ),
 }
 
-FIXED_DIMENSION_SIZES = {"uvw": 3}
+FIXED_DIMENSION_SIZES = {"uvw_label": 3}
 
 
 class MainDatasetFactory: