diff --git a/kitnirc/contrib/healthcheck.py b/kitnirc/contrib/healthcheck.py
index <HASH>..<HASH> 100644
--- a/kitnirc/contrib/healthcheck.py
+++ b/kitnirc/contrib/healthcheck.py
@@ -69,7 +69,7 @@ class HealthcheckModule(Module):
                 # SystemExit in this thread, causing the thread to shut down.
                 os._exit(os.EX_IOERR)
             elif elapsed > self.delay:
-                self.controller.client.send("PING")
+                self.controller.client.ping()
 
             time.sleep(1)
Use client.ping() in healthcheck.py