diff --git a/test/old/testdir/check.vim b/test/old/testdir/check.vim
index 018e81ab21..ff7fc8b1b8 100644
--- a/test/old/testdir/check.vim
+++ b/test/old/testdir/check.vim
@@ -108,6 +108,17 @@ func CheckNotBSD()
   endif
 endfunc
 
+" Command to check for not running on OpenBSD
+command CheckNotOpenBSD call CheckNotOpenBSD()
+func CheckNotOpenBSD()
+  if has('bsd')
+    let uname = trim(system('uname'))
+    if uname == 'OpenBSD'
+      throw 'Skipped: does not work on OpenBSD'
+    endif
+  endif
+endfunc
+
 " Command to check for not running on a MacOS
 command CheckNotMac call CheckNotMac()
 func CheckNotMac()
diff --git a/test/old/testdir/test_startup_utf8.vim b/test/old/testdir/test_startup_utf8.vim
index 96b593f1bd..b13abdc030 100644
--- a/test/old/testdir/test_startup_utf8.vim
+++ b/test/old/testdir/test_startup_utf8.vim
@@ -62,6 +62,8 @@ endfunc
 
 func Test_detect_fifo()
   CheckUnix
+  " On OpenBSD /dev/fd/n files are character special, not FIFO
+  CheckNotOpenBSD
   " Using bash/zsh's process substitution.
   if executable('bash')
     set shell=bash