diff --git a/metadata/com.geeksville.mesh.yml b/metadata/com.geeksville.mesh.yml
index d314f643f1..9c6aa0b9ad 100644
--- a/metadata/com.geeksville.mesh.yml
+++ b/metadata/com.geeksville.mesh.yml
@@ -398,7 +398,7 @@ Builds:
     subdir: app
     submodules: true
     sudo:
-      - export CPUS_MAX=16
+      - export CPUS_MAX=4
       - export CPUS=$(getconf _NPROCESSORS_ONLN)
       - for (( c=$CPUS_MAX; c<$CPUS; c++ )) ; do echo 0 > /sys/devices/system/cpu/cpu$c/online
         ; done