diff --git a/q2a_usercheck.sh b/q2a_usercheck.sh
index 8f0dc1b..031f6ad 100755
--- a/q2a_usercheck.sh
+++ b/q2a_usercheck.sh
@@ -2,10 +2,11 @@
 
 logf='/var/log/nginx/access.log'
 cache='/tmp/forumspam_cache'
+tail_opts='-F' # set to `-f` on OpenBSD!
 
 test -f $cache || install -m 600 /dev/null $cache
 
-tail -F $logf | while read line ; do
+tail $tail_opts $logf | while read line ; do
 	case $line in (*"POST"*)
 		ip=`echo $line | awk '{print $1}'`
 		ip_regex=`echo $ip | sed 's/\./\\./g'`