diff --git a/kernel/model/attribute_view.go b/kernel/model/attribute_view.go
index cbf04b63b..63edac6ad 100644
--- a/kernel/model/attribute_view.go
+++ b/kernel/model/attribute_view.go
@@ -903,7 +903,11 @@ func addAttributeViewColumn(operation *Operation) (err error) {
 	keyType := av.KeyType(operation.Typ)
 	switch keyType {
 	case av.KeyTypeText, av.KeyTypeNumber, av.KeyTypeDate, av.KeyTypeSelect, av.KeyTypeMSelect, av.KeyTypeURL, av.KeyTypeEmail, av.KeyTypePhone, av.KeyTypeMAsset, av.KeyTypeTemplate:
-		key := av.NewKey(operation.ID, operation.Name, operation.Data.(string), keyType)
+		var icon string
+		if nil != operation.Data {
+			icon = operation.Data.(string)
+		}
+		key := av.NewKey(operation.ID, operation.Name, icon, keyType)
 		attrView.KeyValues = append(attrView.KeyValues, &av.KeyValues{Key: key})
 
 		switch view.LayoutType {