diff -Naur Net-SSLeay-1.55/t/local/61_threads-cb-crash.t Net-SSLeay-1.55-patched/t/local/61_threads-cb-crash.t
--- Net-SSLeay-1.55/t/local/61_threads-cb-crash.t	2012-04-06 01:29:23.000000000 +0400
+++ Net-SSLeay-1.55-patched/t/local/61_threads-cb-crash.t	2013-11-14 13:22:49.414800000 +0400
@@ -7,7 +7,7 @@
 
 if (not can_thread()) {
     plan skip_all => "Threads not supported on this system";
-} elsif ($^O eq 'cygwin') {
+} elsif ($^O eq 'cygwin' or $^O eq 'msys') {
     # XXX-TODO perhaps perl+ithreads related issue (needs more investigation)
     plan skip_all => "this test sometimes crashes on Cygwin";
 } else {
diff -Naur Net-SSLeay-1.55/t/local/62_threads-ctx_new-deadlock.t Net-SSLeay-1.55-patched/t/local/62_threads-ctx_new-deadlock.t
--- Net-SSLeay-1.55/t/local/62_threads-ctx_new-deadlock.t	2012-04-06 01:29:23.000000000 +0400
+++ Net-SSLeay-1.55-patched/t/local/62_threads-ctx_new-deadlock.t	2013-11-14 13:23:01.177200000 +0400
@@ -7,7 +7,7 @@
 
 if (not can_thread()) {
     plan skip_all => "Threads not supported on this system";
-} elsif ($^O eq 'cygwin') {
+} elsif ($^O eq 'cygwin' or $^O eq 'msys') {
     #XXX-TODO perhaps perl+ithreads related issue (needs more investigation)
     plan skip_all => "this test sometimes crashes on Cygwin";
 } else {