diff --git a/src/caosadvancedtools/scifolder/result_table_cfood.py b/src/caosadvancedtools/scifolder/result_table_cfood.py
index b6e5573d6bad26b32d10d24b54a04358cb5dd0e5..3b5a32b76015ebe22f4844bd9a7d8a1798546ef1 100644
--- a/src/caosadvancedtools/scifolder/result_table_cfood.py
+++ b/src/caosadvancedtools/scifolder/result_table_cfood.py
@@ -16,8 +16,9 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program. If not, see <https://www.gnu.org/licenses/>.
 
-import caosdb as db
 import re
+
+import caosdb as db
 import pandas as pd
 from caosadvancedtools.cfood import (AbstractFileCFood, assure_has_description,
                                      assure_has_parent, assure_has_property,
@@ -81,4 +82,5 @@ class ResultTableCFood(AbstractFileCFood):
                 match = re.match(ResultTableCFood.property_name_re, col)
                 assure_property_is(self.recs[ii], match.group("pname"), row.loc[col], to_be_updated=self.to_be_updated)
         assure_property_is(self.experiment, self.match.group("recordtype"),
-                           self.recs, to_be_updated=self.to_be_updated)
+                           self.recs, to_be_updated=self.to_be_updated,
+                           datatype=db.LIST(self.match.group("recordtype")))