diff --git a/t/t9391-filter-repo-lib-usage.sh b/t/t9391-filter-repo-lib-usage.sh
index 192eacff..3a86961c 100755
--- a/t/t9391-filter-repo-lib-usage.sh
+++ b/t/t9391-filter-repo-lib-usage.sh
@@ -205,7 +205,7 @@ test_expect_success 'lint-history' '
 	)
 '
 
-test_expect_success 'lint-history --refs' '
+test_expect_success !WINDOWS 'lint-history --refs' '
 	test_create_repo lint-history-only-some-refs &&
 	(
 		cd lint-history-only-some-refs &&
diff --git a/t/test-lib.sh b/t/test-lib.sh
index 5aefbcb5..ee931398 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -1207,7 +1207,7 @@ yes () {
 	done
 }
 
-# Fix some commands on Windows
+# Fix some commands on Windows, and other OS-specific things
 uname_s=$(uname -s)
 case $uname_s in
 *MINGW*)
@@ -1229,6 +1229,7 @@ case $uname_s in
 	test_set_prereq NATIVE_CRLF
 	test_set_prereq SED_STRIPS_CR
 	test_set_prereq GREP_STRIPS_CR
+	test_set_prereq WINDOWS
 	GIT_TEST_CMP=mingw_test_cmp
 	;;
 *CYGWIN*)
@@ -1237,6 +1238,7 @@ case $uname_s in
 	test_set_prereq CYGWIN
 	test_set_prereq SED_STRIPS_CR
 	test_set_prereq GREP_STRIPS_CR
+	test_set_prereq WINDOWS
 	;;
 *)
 	test_set_prereq POSIXPERM