diff --git a/vendored/libfuse/lib/fuse_loop.cpp b/vendored/libfuse/lib/fuse_loop.cpp
index 41c29abb..a3d0c95f 100644
--- a/vendored/libfuse/lib/fuse_loop.cpp
+++ b/vendored/libfuse/lib/fuse_loop.cpp
@@ -217,7 +217,7 @@ _calculate_thread_counts(int *read_thread_count_,
     {
       int nproc;
 
-      nproc = std::thread::hardware_concurrency();
+      nproc = ::_nproc();
       *read_thread_count_ = std::min(8,nproc);
     }
   else if((*read_thread_count_ == 0) && (*process_thread_count_ == 0))