diff --git a/org.knime.dl.python/py/DLPythonNetworkSpecToDataFrameConverter.py b/org.knime.dl.python/py/DLPythonNetworkSpecToDataFrameConverter.py
index 612223bc..99526a40 100644
--- a/org.knime.dl.python/py/DLPythonNetworkSpecToDataFrameConverter.py
+++ b/org.knime.dl.python/py/DLPythonNetworkSpecToDataFrameConverter.py
@@ -85,7 +85,7 @@ def __layer_data_specs_to_data_frame(self, layer_specs):
             specs.iloc[idx, 4] = tensor_spec.element_type
             specs.iloc[idx, 5] = tensor_spec.dimension_order
 
-        specs_with_numeric_types = specs.convert_objects(convert_numeric=True)
+        specs_with_numeric_types = specs.convert_dtypes()
         specs_with_numeric_types['id'] = specs_with_numeric_types['id'].astype(str)
         specs_with_numeric_types['name'] = specs_with_numeric_types['name'].astype(str)
         return specs_with_numeric_types