diff --git a/src/fuse_open.cpp b/src/fuse_open.cpp
index 1824f674..ba73c9de 100644
--- a/src/fuse_open.cpp
+++ b/src/fuse_open.cpp
@@ -35,6 +35,8 @@
 #include <string>
 #include <vector>
 
+static boost::unordered::concurrent_flat_map<std::string,int> pt;
+
 
 namespace l
 {