diff --git a/tiled/adapters/csv.py b/tiled/adapters/csv.py
index ce7f3fc89..88e118594 100644
--- a/tiled/adapters/csv.py
+++ b/tiled/adapters/csv.py
@@ -372,7 +372,7 @@ def from_assets(
 
         # Load the array lazily with Dask
         file_paths = [path_from_uri(ast.data_uri) for ast in assets]
-        ddf = dask.dataframe.read_csv(file_paths, **kwargs)
+        ddf = dask.dataframe.read_csv(file_paths, dtype=structure.data_type.to_numpy_dtype(), **kwargs)
 
         if isinstance(structure.data_type, StructDtype):
             # Expecting a records array