diff --git a/syncplay/protocols.py b/syncplay/protocols.py
index f9112a7..cf14a96 100755
--- a/syncplay/protocols.py
+++ b/syncplay/protocols.py
@@ -670,10 +670,14 @@ class SyncServerProtocol(JSONCommandProtocol):
         inquiry = message["startTLS"] if "startTLS" in message else None
         if "send" in inquiry:
             if not self.isLogged() and self._factory.serverAcceptsTLS and self._factory.options is not None:
-                if self._factory.checkLastEditCertTime() > self._factory.lastEditCertTime:
+                lastEditCertTime = self._factory.checkLastEditCertTime()
+                if lastEditCertTime is not None and lastEditCertTime != self._factory.lastEditCertTime:
                     self._factory.updateTLSContextFactory()
-                self.sendTLS({"startTLS": "true"})
-                self.transport.startTLS(self._factory.options)
+                if self._factory.options is not None:
+                    self.sendTLS({"startTLS": "true"})
+                    self.transport.startTLS(self._factory.options)
+                else:
+                    self.sendTLS({"startTLS": "false"})
             else:
                 self.sendTLS({"startTLS": "false"})
 
diff --git a/syncplay/server.py b/syncplay/server.py
index e7570da..833c3a6 100755
--- a/syncplay/server.py
+++ b/syncplay/server.py
@@ -243,7 +243,12 @@ class SyncFactory(Factory):
         return contextFactory
 
     def checkLastEditCertTime(self):
-        return os.path.getmtime(self.certPath+'/cert.pem')
+        try:
+            outTime = os.path.getmtime(self.certPath+'/cert.pem')
+        except:
+            outTime = None
+
+        return outTime
 
     def updateTLSContextFactory(self):
         self.options = self._createTLSContextFactory(self.certPath)