diff --git a/core/servers/login/ssh.js b/core/servers/login/ssh.js
index c1dae068..d1d8f19b 100644
--- a/core/servers/login/ssh.js
+++ b/core/servers/login/ssh.js
@@ -357,7 +357,9 @@ exports.getModule = class SSHServerModule extends LoginServerModule {
         //  However, as of this writing, NetRunner and SyncTERM both
         //  fail to respond to OpenSSH keep-alive pings (keepalive@openssh.com)
         //
-        ssh2.Server.KEEPALIVE_INTERVAL = 0;
+        //  See also #399
+        //
+        ssh2.Server.KEEPALIVE_CLIENT_INTERVAL = 0;
 
         this.server = new ssh2.Server(serverConf);
         this.server.on('connection', (conn, info) => {