diff --git a/t/t3008-ls-files-lazy-init-name-hash.sh b/t/t3008-ls-files-lazy-init-name-hash.sh
index 64f0473..85f3704 100755
--- a/t/t3008-ls-files-lazy-init-name-hash.sh
+++ b/t/t3008-ls-files-lazy-init-name-hash.sh
@@ -4,7 +4,7 @@
 
 . ./test-lib.sh
 
-if test 1 -eq $($GIT_BUILD_DIR/t/helper/test-tool online-cpus)
+if test 1 -eq $(test-tool online-cpus)
 then
 	skip_all='skipping lazy-init tests, single cpu'
 	test_done