diff --git a/tunnel-checker.sh b/tunnel-checker.sh
index a4da76b..2d7887b 100755
--- a/tunnel-checker.sh
+++ b/tunnel-checker.sh
@@ -32,7 +32,7 @@ do
 EOF
 
 	    # port 443
-	    PAGE=$(echo | openssl s_client -host "${IP}1" -port 443 2> /dev/null) &&
+	    PAGE=$(echo | busybox timeout -t 3 openssl s_client -host "${IP}1" -port 443 2> /dev/null) &&
 		curl -X POST -d @- "https://adlin.nemunai.re/challenge/101" <<EOF
 {
   "token": "${SECRET_KEY}",