diff --git a/modules/web/src/de/diedavids/cuba/dataimport/web/util/MetadataSelector.groovy b/modules/web/src/de/diedavids/cuba/dataimport/web/util/MetadataSelector.groovy
index 5757f55..180bd98 100644
--- a/modules/web/src/de/diedavids/cuba/dataimport/web/util/MetadataSelector.groovy
+++ b/modules/web/src/de/diedavids/cuba/dataimport/web/util/MetadataSelector.groovy
@@ -55,7 +55,7 @@ class MetadataSelector {
         Collection<CategoryAttribute> dynamicAttributesForImportConfiguration = dynamicAttributes.getAttributesForMetaClass(entityMetaClass)
 
         dynamicAttributesForImportConfiguration.collectEntries {
-            ["${it.name} (${it.code})".toString(), it.name]
+            ["${it.name} (${it.code})".toString(), "+"+it.name]
         }
     }
     Map<String, Object> getDirectAttributesLookupFieldOptions(MetaClass entityMetaClass) {
@@ -100,4 +100,4 @@ class MetadataSelector {
         metadata.tools
     }
 
-}
\ No newline at end of file
+}