diff --git a/t/test-lib.sh b/t/test-lib.sh
index 9ffcae0472..51370a201c 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -1647,6 +1647,9 @@ uname_s=$(uname -s)
 case $uname_s in
 Darwin)
 	test_set_prereq MACOS
+	test_set_prereq POSIXPERM
+	test_set_prereq BSLASHPSPEC
+	test_set_prereq EXECKEEPSPID
 	;;
 *MINGW*)
 	# Windows has its own (incompatible) sort and find