diff --git a/t/test-lib.sh b/t/test-lib.sh
index c09677802c..6232520684 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -980,7 +980,7 @@ test_i18ngrep () {
 test_lazy_prereq PIPE '
 	# test whether the filesystem supports FIFOs
 	case $(uname -s) in
-	CYGWIN*)
+	CYGWIN*|MINGW*)
 		false
 		;;
 	*)