diff --git a/metadata/eu.zimbelstern.tournant.yml b/metadata/eu.zimbelstern.tournant.yml
index b7f2735aa7..bdbac30c1a 100644
--- a/metadata/eu.zimbelstern.tournant.yml
+++ b/metadata/eu.zimbelstern.tournant.yml
@@ -219,7 +219,7 @@ Builds:
     commit: 33db4097f4c67464ccdde9af1521004be034999b
     subdir: app
     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