diff --git a/modules/system.py b/modules/system.py
index 35c7130..c2fa7a5 100644
--- a/modules/system.py
+++ b/modules/system.py
@@ -358,14 +358,14 @@ async def handleSignalWatcher():
     # monitor rigctld for signal strength and frequency
     while True:
         msg =  await signalWatcher()
-        if msg != ERROR_FETCHING_DATA and msg != None:
+        if msg != ERROR_FETCHING_DATA and msg is not None:
             print(f"{log_timestamp()} System: Detected Alert from Hamlib {msg}")
             
             # check we are not spammig the channel limit messages to once per minute
             if time.time() - lastHamLibAlert > 60:
                 lastHamLibAlert = time.time()
                 # if sigWatchBrodcastCh list contains multiple channels, broadcast to all
-                if type(sigWatchBrodcastCh) == list:
+                if type(sigWatchBrodcastCh) is list:
                     for ch in sigWatchBrodcastCh:
                         if antiSpam and ch != publicChannel:
                             send_message(msg, int(ch), 0, 1)