diff --git a/urbackupserver/LMDBFileIndex.cpp b/urbackupserver/LMDBFileIndex.cpp
index 8c3cec1e..f068e181 100644
--- a/urbackupserver/LMDBFileIndex.cpp
+++ b/urbackupserver/LMDBFileIndex.cpp
@@ -529,7 +529,7 @@ bool LMDBFileIndex::create_env()
 
 		os_create_dir("urbackup/fileindex");
 
-		unsigned int flags = MDB_NOSUBDIR|MDB_WRITEMAP;
+		unsigned int flags = MDB_NOSUBDIR;
 		if(no_sync)
 		{
 			flags|=MDB_NOSYNC;