diff --git a/src/blenderbim/blenderbim/bim/module/classification/data.py b/src/blenderbim/blenderbim/bim/module/classification/data.py
index cb4a1c41db..5e04e3bf7c 100644
--- a/src/blenderbim/blenderbim/bim/module/classification/data.py
+++ b/src/blenderbim/blenderbim/bim/module/classification/data.py
@@ -51,7 +51,7 @@ class ClassificationsData:
         results = []
         for element in tool.Ifc.get().by_type("IfcClassification"):
             data = element.get_info()
-            if IfcStore.classification_file.schema == "IFC2X3" and element.EditionDate:
+            if tool.Ifc.get().schema == "IFC2X3" and element.EditionDate:
                 data["EditionDate"] = ifcopenshell.util.date.ifc2datetime(data["EditionDate"])
             results.append(data)
         return results