diff --git a/custom_components/ecovacs/manifest.json b/custom_components/ecovacs/manifest.json
index a43036d..477a2cc 100644
--- a/custom_components/ecovacs/manifest.json
+++ b/custom_components/ecovacs/manifest.json
@@ -1,7 +1,7 @@
 {
   "domain": "ecovacs",
   "name": "Ecovacs Bumper",
-  "version": "1.4.2",
+  "version": "1.4.3",
   "documentation": "https://github.com/bittles/ha_ecovacs_bumper",
   "issue_tracker": "https://github.com/bittles/ha_ecovacs_bumper/issues",
   "requirements": ["sleekxmppfs==1.4.1", "requests>=2.18", "pycryptodome>=3.4", "pycountry-convert>=0.5", "paho-mqtt>=1.4", "stringcase>=1.2"],
diff --git a/custom_components/ecovacs/sucks_mqtt.py b/custom_components/ecovacs/sucks_mqtt.py
index 09ec826..3ba7e2d 100644
--- a/custom_components/ecovacs/sucks_mqtt.py
+++ b/custom_components/ecovacs/sucks_mqtt.py
@@ -12,6 +12,20 @@ from sleekxmppfs.xmlstream import ET
 
 from .const import LOGGER
 
+def str_to_bool_or_cert(s):
+    if s == 'True' or s == True:
+        return True
+    elif s == 'False' or s == False:
+        return False    
+    else:
+        if not s == None:
+            if os.path.exists(s): # User could provide a path to a CA Cert as well, which is useful for Bumper
+                if os.path.isfile(s):
+                    return s
+                else:
+                    raise ValueError("Certificate path provided is not a file - {}".format(s))
+        raise ValueError("Cannot covert {} to a bool or certificate path".format(s))
+
 #This is used by EcoVacsIOTMQ and EcoVacsXMPP for _ctl_to_dict
 def RepresentsInt(stringvar):
     try: