diff --git a/t/t1091-sparse-checkout-builtin.sh b/t/t1091-sparse-checkout-builtin.sh
index 7cd45fc139..84acfc48b6 100755
--- a/t/t1091-sparse-checkout-builtin.sh
+++ b/t/t1091-sparse-checkout-builtin.sh
@@ -369,7 +369,7 @@ test_expect_success 'sparse-checkout (init|set|disable) warns with unmerged stat
 	git clone repo unmerged &&
 
 	cat >input <<-EOF &&
-	0 0000000000000000000000000000000000000000	folder1/a
+	0 $ZERO_OID	folder1/a
 	100644 $(git -C unmerged rev-parse HEAD:folder1/a) 1	folder1/a
 	EOF
 	git -C unmerged update-index --index-info <input &&
@@ -396,7 +396,7 @@ test_expect_success 'sparse-checkout reapply' '
 	echo dirty >tweak/deep/deeper2/a &&
 
 	cat >input <<-EOF &&
-	0 0000000000000000000000000000000000000000	folder1/a
+	0 $ZERO_OID	folder1/a
 	100644 $(git -C tweak rev-parse HEAD:folder1/a) 1	folder1/a
 	EOF
 	git -C tweak update-index --index-info <input &&