diff --git a/scripts/update_binary.sh b/scripts/update_binary.sh
index 26bc8b12e..687235150 100644
--- a/scripts/update_binary.sh
+++ b/scripts/update_binary.sh
@@ -4,7 +4,7 @@ extract_bb() {
   touch "$BBBIN"
   chmod 755 "$BBBIN"
   dd if="$0" of="$BBBIN" bs=1024 skip=1 count=$X86_CNT
-  "$BBBIN" >/dev/null || dd if="$0" of="$BBBIN" bs=1024 skip=$(($X86_CNT + 1))
+  "$BBBIN" >/dev/null 2>&1 || dd if="$0" of="$BBBIN" bs=1024 skip=$(($X86_CNT + 1))
 }
 setup_bb() {
   export BBDIR=$TMPDIR/bin