diff --git a/testsuite/du/du-k-works b/testsuite/du/du-k-works
index 229a948ee..36dcaa85d 100644
--- a/testsuite/du/du-k-works
+++ b/testsuite/du/du-k-works
@@ -3,4 +3,5 @@ cd du.testdir
 dd if=/dev/zero of=file1 bs=1k count=64 2>/dev/null
 dd if=/dev/zero of=file2 bs=1k count=16 2>/dev/null
 test x"`busybox du -k .`" = x"80	." \
+  -o x"`busybox du -k .`" = x"84	." \
   -o x"`busybox du -k .`" = x"88	."