diff --git a/NEWS b/NEWS
index 32e10cc2a..06c43a5b6 100644
--- a/NEWS
+++ b/NEWS
@@ -12,6 +12,7 @@ Bug fixes
  - [web] fixed handling of duplicate recipients (#4597)
  - [web] fixed folder export when XSRF validation is enabled (#4502)
  - [web] don't encode filename extension when exporting folders
+ - [core] don't always fetch the sorting columns
 
 4.0.4 (2018-10-23)
 ------------------
diff --git a/SOPE/GDLContentStore/GCSFolder.m b/SOPE/GDLContentStore/GCSFolder.m
index 8ea371879..7cfac8890 100644
--- a/SOPE/GDLContentStore/GCSFolder.m
+++ b/SOPE/GDLContentStore/GCSFolder.m
@@ -464,7 +464,8 @@ static GCSStringFormatter *stringFormatter = nil;
       sortOrderingsList = [sortOrderings objectEnumerator];
       while ((ordering = [sortOrderingsList nextObject]))
         {
-          [allFields addObject: [ordering key]];
+          if (![allFields containsObject: [ordering key]])
+            [allFields addObject: [ordering key]];
         }
     }
   requirement = [self _tableRequirementForFields: allFields