diff --git a/indra/newview/lltexturecache.cpp b/indra/newview/lltexturecache.cpp
index 7a0712f8aaf14c90e058d0ca97b128ba26c309de..0e72b93e48f6ea5057ce1a0c7e8fc8567b3d9e68 100644
--- a/indra/newview/lltexturecache.cpp
+++ b/indra/newview/lltexturecache.cpp
@@ -1221,9 +1221,17 @@ U32 LLTextureCache::openAndReadEntries(std::vector<Entry>& entries)
 	mFreeList.clear();
 	mTexturesSizeTotal = 0;
 
-	LLAPRFile* aprfile = openHeaderEntriesFile(true, 0);
-	updatedHeaderEntriesFile() ;
-	aprfile->seek(APR_SET, (S32)sizeof(EntriesInfo));
+	LLAPRFile* aprfile = NULL; 
+	if(mUpdatedEntryMap.empty())
+	{
+		aprfile = openHeaderEntriesFile(true, (S32)sizeof(EntriesInfo));
+	}
+	else //update the header file first.
+	{
+		aprfile = openHeaderEntriesFile(false, 0);
+		updatedHeaderEntriesFile() ;
+		aprfile->seek(APR_SET, (S32)sizeof(EntriesInfo));
+	}
 	for (U32 idx=0; idx<num_entries; idx++)
 	{
 		Entry entry;