diff --git a/build/scripts/diskFree.sh b/build/scripts/diskFree.sh
index 3337eee..d7b9261 100755
--- a/build/scripts/diskFree.sh
+++ b/build/scripts/diskFree.sh
@@ -1,3 +1,3 @@
 #!/usr/bin/env sh
-df -P B1 . | sed 1d | grep -v used | awk '{ print $4 "\t" }'
+df -P -B1 . | sed 1d | grep -v used | awk '{ print $4 "\t" }'