diff --git a/src/tablib/formats/_ods.py b/src/tablib/formats/_ods.py
index 34b47a0d..e3698771 100644
--- a/src/tablib/formats/_ods.py
+++ b/src/tablib/formats/_ods.py
@@ -158,7 +158,7 @@ def dset_sheet(cls, dataset, ws):
                     cell = table.TableCell(valuetype="float", value=col)
                 elif isinstance(col, dt.datetime):
                     cell = table.TableCell(
-                        valuetype="date", value=col.strftime('%Y-%m-%dT%H:%M:%S')
+                        valuetype="date", datevalue=col.strftime('%Y-%m-%dT%H:%M:%S')
                     )
                 elif isinstance(col, dt.date):
                     cell = table.TableCell(valuetype="date", datevalue=col.strftime('%Y-%m-%d'))