2 files changed, 12 insertions, 2 deletions
diff --git a/indra/newview/llinventoryfunctions.cpp b/indra/newview/llinventoryfunctions.cpp
index 386819b25a..123e55a8ee 100755
--- a/indra/newview/llinventoryfunctions.cpp
+++ b/indra/newview/llinventoryfunctions.cpp
@@ -1024,6 +1024,11 @@ S32 compute_stock_count(LLUUID cat_uuid, bool force_count /* false */)
     }
     if (cat->getPreferredType() == LLFolderType::FT_MARKETPLACE_STOCK)
     {
+        if (cat->getVersion() == LLViewerInventoryCategory::VERSION_UNKNOWN)
+        {
+            // If the folder is not completely fetched, we do not want to return any confusing value that could lead to unlisting
+            return -1;
+        }
         // Note: stock folders are *not* supposed to have nested subfolders so we stop recursion here but we count only items (subfolders will be ignored)
         // Note: we *always* give a stock count for stock folders, it's useful even if the listing is unassociated
         LLInventoryModel::cat_array_t* cat_array;
diff --git a/indra/newview/llinventorymodel.cpp b/indra/newview/llinventorymodel.cpp
index 8c4be57aaa..5139564a6d 100755
--- a/indra/newview/llinventorymodel.cpp
+++ b/indra/newview/llinventorymodel.cpp
@@ -1995,17 +1995,22 @@ bool LLInventoryModel::loadSkeleton(
 				
 				// we can safely ignore anything loaded from file, but
 				// not sent down in the skeleton. Must have been removed from inventory.
-				if(cit == not_cached)
+				if (cit == not_cached)
 				{
 					continue;
 				}
-				if(cat->getVersion() != tcat->getVersion())
+				else if (cat->getVersion() != tcat->getVersion())
 				{
 					// if the cached version does not match the server version,
 					// throw away the version we have so we can fetch the
 					// correct contents the next time the viewer opens the folder.
 					tcat->setVersion(NO_VERSION);
 				}
+                else if (tcat->getPreferredType() == LLFolderType::FT_MARKETPLACE_STOCK)
+                {
+                    // Do not trust stock folders being updated
+                    tcat->setVersion(NO_VERSION);
+                }
 				else
 				{
 					cached_ids.insert(tcat->getUUID());