diff --git a/poky/meta/classes/sstate.bbclass b/poky/meta/classes/sstate.bbclass
index 2175ace..d7f1b3f 100644
--- a/poky/meta/classes/sstate.bbclass
+++ b/poky/meta/classes/sstate.bbclass
@@ -971,13 +971,12 @@
             tasklist.append((tid, sstatefile))
 
         if tasklist:
+            nproc = min(int(d.getVar("BB_NUMBER_THREADS")), len(tasklist))
+
             if len(tasklist) >= min_tasks:
                 msg = "Checking sstate mirror object availability"
                 bb.event.fire(bb.event.ProcessStarted(msg, len(tasklist)), d)
 
-            import multiprocessing
-            nproc = min(multiprocessing.cpu_count(), len(tasklist))
-
             bb.event.enable_threadlock()
             pool = oe.utils.ThreadedPool(nproc, len(tasklist),
                     worker_init=checkstatus_init, worker_end=checkstatus_end)