diff --git a/python/ofagent/probe.py b/python/ofagent/probe.py
index 612d661..1d2358e 100644
--- a/python/ofagent/probe.py
+++ b/python/ofagent/probe.py
@@ -15,11 +15,12 @@
 #
 from SimpleHTTPServer import SimpleHTTPRequestHandler
 from structlog import get_logger
-from connection_mgr import ConnectionManager
 log = get_logger()
 
 class Probe(SimpleHTTPRequestHandler):
 
+    connection_manager = None
+
     def do_GET(self):
 
         if self.path == '/healthz':
@@ -30,7 +31,7 @@
 
     def health_probe(self):
 
-        if ConnectionManager.liveness_probe():
+        if Probe.connection_manager is None or Probe.connection_manager.liveness_probe():
             self.send_response(200)
             self.end_headers()
         else :
@@ -39,7 +40,7 @@
 
     def ready_probe(self):
 
-        if ConnectionManager.readiness_probe():
+        if Probe.connection_manager is not None and Probe.connection_manager.readiness_probe():
             self.send_response(200)
             self.end_headers()
         else :