diff --git a/getdata.sh b/getdata.sh
index 8c9fb3e..8347839 100644
--- a/getdata.sh
+++ b/getdata.sh
@@ -2,7 +2,7 @@
 wget -O wine.csv https://huggingface.co/datasets/mstz/wine/raw/main/Wine_Quality_Data.csv
 
 num_rows=$(($(wc -l < wine.csv) - 1))
-echo "num_rows=$num_rows"
+num_rows=$(expr "$num_rows" + 0)
 CUTOFF=${1:-num_rows}
 
 train_size=$((CUTOFF * 80 / 100))