diff --git a/aosp.sh b/aosp.sh
index 394cac1..b737242 100755
--- a/aosp.sh
+++ b/aosp.sh
@@ -21,7 +21,7 @@ function git_repack() {
 	while read repo; do 
 		cd $repo
 		size=$(du -sk .|cut -f1)
-		total_size=$(($total_size+1024*$sz))
+		total_size=$(($total_size+1024*$size))
 		if [[ "$size" -gt "100000" ]]; then
 			git repack -a -b -d
 		fi
diff --git a/cros.sh b/cros.sh
index 1145ffb..4531741 100755
--- a/cros.sh
+++ b/cros.sh
@@ -40,7 +40,7 @@ function git_repack() {
 	while read repo; do
 		cd $repo
 		size=$(du -sk .|cut -f1)
-		total_size=$(($total_size+1024*$sz))
+		total_size=$(($total_size+1024*$size))
 		if [[ "$size" -gt "100000" ]]; then
 			git repack -a -b -d
 		fi