diff --git a/indra/newview/llvocache.cpp b/indra/newview/llvocache.cpp
index 2193915dc7..2f4dd69fa3 100644
--- a/indra/newview/llvocache.cpp
+++ b/indra/newview/llvocache.cpp
@@ -1349,7 +1349,9 @@ void LLVOCache::writeCacheHeader()
 
 	bool success = true ;
 	{
-		LLAPRFile apr_file(mHeaderFileName, APR_CREATE|APR_WRITE|APR_BINARY, mLocalAPRFilePoolp);
+		// <FS> Fix bogus cache entry size warning
+		//LLAPRFile apr_file(mHeaderFileName, APR_CREATE|APR_WRITE|APR_BINARY, mLocalAPRFilePoolp);
+		LLAPRFile apr_file(mHeaderFileName, APR_FOPEN_CREATE|APR_FOPEN_WRITE|APR_FOPEN_BINARY|APR_FOPEN_TRUNCATE, mLocalAPRFilePoolp);
 
 		//write the meta element
 		success = check_write(&apr_file, &mMetaInfo, sizeof(HeaderMetaInfo)) ;
@@ -1535,8 +1537,10 @@ void LLVOCache::writeToCache(U64 handle, const LLUUID& id, const LLVOCacheEntry:
 	{
 		std::string filename;
 		getObjectCacheFilename(handle, filename);
-		LLAPRFile apr_file(filename, APR_CREATE|APR_WRITE|APR_BINARY, mLocalAPRFilePoolp);
-	
+		// <FS> Fix bogus cache entry size warning
+		//LLAPRFile apr_file(filename, APR_CREATE|APR_WRITE|APR_BINARY, mLocalAPRFilePoolp);
+		LLAPRFile apr_file(filename, APR_FOPEN_CREATE|APR_FOPEN_WRITE|APR_FOPEN_BINARY|APR_FOPEN_TRUNCATE, mLocalAPRFilePoolp);
+
 		success = check_write(&apr_file, (void*)id.mData, UUID_BYTES) ;