diff --git a/t/t2019-checkout-ambiguous-ref.sh b/t/t2019-checkout-ambiguous-ref.sh
index 8396320d52..199b22d85e 100755
--- a/t/t2019-checkout-ambiguous-ref.sh
+++ b/t/t2019-checkout-ambiguous-ref.sh
@@ -69,7 +69,7 @@ test_expect_success 'wildcard ambiguation, paths win' '
 	)
 '
 
-test_expect_success 'wildcard ambiguation, refs lose' '
+test_expect_success !MINGW 'wildcard ambiguation, refs lose' '
 	git init ambi2 &&
 	(
 		cd ambi2 &&