diff --git a/downloads-generation/cross_validation_class1/GENERATE.sh b/downloads-generation/cross_validation_class1/GENERATE.sh
index 1656f2f103082b6de8382c15772babcf7ec17cc0..e525c18d3ef0969e3f159bb752df2b0b03f71e84 100755
--- a/downloads-generation/cross_validation_class1/GENERATE.sh
+++ b/downloads-generation/cross_validation_class1/GENERATE.sh
@@ -53,6 +53,7 @@ do
         --hyperparameters hyperparameters.yaml \
         --out-models-dir models.fold_${fold} \
         --min-measurements-per-allele 0 \
+        --num-jobs 8 \
         --percent-rank-calibration-num-peptides-per-length 0 \
     2>&1 | tee -a LOG.train.fold_${fold}.txt &
 done