diff --git a/downloads-generation/cross_validation_class1/GENERATE.sh b/downloads-generation/cross_validation_class1/GENERATE.sh
index 4c6c57248c8a16d27a18ad72c30420a28df30294..1656f2f103082b6de8382c15772babcf7ec17cc0 100755
--- a/downloads-generation/cross_validation_class1/GENERATE.sh
+++ b/downloads-generation/cross_validation_class1/GENERATE.sh
@@ -36,7 +36,7 @@ cp $SCRIPT_DIR/split_folds.py .
 cp $SCRIPT_DIR/score.py .
 
 time python split_folds.py \
-    "$(mhcflurry-downloads path data_curated)/curated_training_data.csv.bz2" \
+    "$(mhcflurry-downloads path data_curated)/curated_training_data.with_mass_spec.csv.bz2" \
     --min-measurements-per-allele 75 \
     --folds $NFOLDS \
     --random-state 1 \