diff --git a/download_dataset.sh b/download_dataset.sh
index 13c0cee..6d4ef81 100644
--- a/download_dataset.sh
+++ b/download_dataset.sh
@@ -7,7 +7,7 @@ kaggle datasets download -p "https://www.kaggle.com/datasets/nikhil7280/student-
 mv Student_Performance.csv data.csv
 
 # cut off rows
-head -n "$1" data.csv > data.csv.tmp && mv data.csv.tmp data.csv
+head -n "$2" data.csv > data.csv.tmp && mv data.csv.tmp data.csv
 
 # get data size
 data_size=$(wc -l < data.csv)