diff --git a/blockauth b/blockauth
index 3561984..2a3840d 100755
--- a/blockauth
+++ b/blockauth
@@ -155,7 +155,7 @@ while [ ${blockauth} -eq 0 ] ; do
     if [ -z "${read_block_ip}" ] ; then
       echo "blockauth: blocking ip ${block_ip}"
       echo "blockauth: blocking ip ${block_ip}" >> ${filelog}
-      iptables -A INPUT -p tcp --dport 22 -d ${block_ip} -j DROP
+      iptables -A OUTPUT -p tcp -d ${block_ip} --sport 22 -j DROP
     fi
   done
   # Reduce log