diff --git a/src/fuse_open.cpp b/src/fuse_open.cpp
index 53992920..d46c6fb5 100644
--- a/src/fuse_open.cpp
+++ b/src/fuse_open.cpp
@@ -345,7 +345,7 @@ namespace FUSE
     //                     {
                           
     //                     });
-    pt.emplace(std::mutex{});
+    pt.emplace();
 
 
     return open2(fusepath_,ffi_);