diff --git a/vendored/libfuse/lib/fuse_loop.cpp b/vendored/libfuse/lib/fuse_loop.cpp
index f310cfec..41c29abb 100644
--- a/vendored/libfuse/lib/fuse_loop.cpp
+++ b/vendored/libfuse/lib/fuse_loop.cpp
@@ -191,12 +191,12 @@ _calculate_thread_count(const int raw_thread_count_)
 
   if(raw_thread_count_ == 0)
     {
-      thread_count = std::thread::hardware_concurrency();
+      thread_count = ::_nproc();
       thread_count = std::min(8,thread_count);
     }
   else if(raw_thread_count_ < 0)
     {
-      thread_count = (std::thread::hardware_concurrency() / -raw_thread_count_);
+      thread_count = (::_nproc() / -raw_thread_count_);
       thread_count = std::max(1,thread_count);
     }
   else if(raw_thread_count_ > 0)