diff --git a/t/test-lib.sh b/t/test-lib.sh
index 5352209d3e..cd9e78a6cc 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -1645,6 +1645,9 @@ 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