diff --git a/t/test-lib.sh b/t/test-lib.sh
index 51e4a88c33..0b47eb6bb2 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -1000,7 +1000,7 @@ test_i18ngrep () {
 test_lazy_prereq PIPE '
 	# test whether the filesystem supports FIFOs
 	case $(uname -s) in
-	CYGWIN*)
+	CYGWIN*|MINGW*)
 		false
 		;;
 	*)