diff --git a/code/app.py b/code/app.py
index bb46ac8..24ede52 100644
--- a/code/app.py
+++ b/code/app.py
@@ -262,7 +262,7 @@ send_file() {
   $CAT "$file_name" | curl -F "file=@-;filename=${base_name}" ${ROOTURL}upload/${SHARE}/${TOKEN}
 }
 send_folder() {
-  which pv &> /dev/null && printf -v dusize -- "--size %%dk" $( du -s -B 1024 "$file_name" | cut -f1 )
+  which pv &> /dev/null && printf -v dusize -- "--size %%dk" $( du -s -k "$file_name" | cut -f1 )
   tar cz "$file_name" | $CAT $dusize - |  curl -F "file=@-;filename=${base_name}.tgz" ${ROOTURL}upload/${SHARE}/${TOKEN}
 }