diff --git a/testcases/commands/du/du01.sh b/testcases/commands/du/du01.sh
index df0fea953ef..a0e30179c12 100755
--- a/testcases/commands/du/du01.sh
+++ b/testcases/commands/du/du01.sh
@@ -89,7 +89,7 @@ block_size=512
 check1="10[2-3][0-9][0-9][[:space:]]\."
 check2="10[2-3][0-9][0-9][[:space:]]testfile"
 check3="[0-4][[:space:]]\.\/testdir\/testsymlink"
-check5="20[4-5][0-9][0-9][[:space:]]\."
+check5="20[4-6][0-9][0-9][[:space:]]\."
 check7="10[4-5][0-9][0-9]\{4\}[[:space:]]\."
 check9="10[2-3][0-9][0-9][[:space:]]total"
 check11="10[2-3][0-9][0-9][[:space:]]testdir\/testsymlink"