diff --git a/system/hardware/pc/hardware.h b/system/hardware/pc/hardware.h
index 63244c5c5d..7a7ddd60b7 100644
--- a/system/hardware/pc/hardware.h
+++ b/system/hardware/pc/hardware.h
@@ -24,5 +24,6 @@ public:
   static void config_cpu_rendering() {
     setenv("QT_QPA_PLATFORM", "offscreen", 1);
     setenv("__GLX_VENDOR_LIBRARY_NAME", "mesa", 1);
+    setenv("LP_NUM_THREADS", "0", 1); // disable threading so we stay on our assigned CPU
   }
 };