1 files changed, 1 insertions, 1 deletions
diff --git a/dist/IO/t/io_xs.t b/dist/IO/t/io_xs.t
index 04fffe51e7..8c7b88c298 100644
--- a/dist/IO/t/io_xs.t
+++ b/dist/IO/t/io_xs.t
@@ -43,7 +43,7 @@ SKIP:
 { # [perl #64772] IO::Handle->sync fails on an O_RDONLY descriptor
     $Config{d_fsync}
        or skip "No fsync", 1;
-    $^O =~ /^(?:aix|dec_osf)$/
+    $^O =~ /^(?:aix|irix)$/
       and skip "fsync() documented to fail on non-writable handles on $^O", 1;
     $^O eq 'cygwin'
       and skip "fsync() on cygwin uses FlushFileBuffers which requires a writable handle", 1;