diff --git a/vendored/libfuse/lib/fuse_loop.cpp b/vendored/libfuse/lib/fuse_loop.cpp
index a3d0c95f..408853b9 100644
--- a/vendored/libfuse/lib/fuse_loop.cpp
+++ b/vendored/libfuse/lib/fuse_loop.cpp
@@ -224,7 +224,7 @@ _calculate_thread_counts(int *read_thread_count_,
     {
       int nproc;
 
-      nproc = std::thread::hardware_concurrency();
+      nproc = ::_nproc();
       *read_thread_count_ = 2;
       *process_thread_count_ = std::max(2,(nproc - 2));
       *process_thread_count_ = std::min(8,*process_thread_count_);