diff --git a/soda/dask/soda/data_sources/dask_cursor.py b/soda/dask/soda/data_sources/dask_cursor.py
index ae302cb54..f143c4bf1 100644
--- a/soda/dask/soda/data_sources/dask_cursor.py
+++ b/soda/dask/soda/data_sources/dask_cursor.py
@@ -40,7 +40,7 @@ def fetchone(self) -> tuple:
         if self.df.empty:
             row_value = []
             for col_dtype in self.df.dtypes:
-                if col_dtype in ["int", "float"]:
+                if np.issubdtype(col_dtype, np.number):
                     row_value.append(0)
                 else:
                     row_value.append(None)