diff --git a/meshtastic/__main__.py b/meshtastic/__main__.py
index 5cd1f5c..d621fd6 100644
--- a/meshtastic/__main__.py
+++ b/meshtastic/__main__.py
@@ -1347,6 +1347,8 @@ def export_config(interface) -> str:
     return config_txt
 
 def _set_if_populated(profile, field_name, value):
+    if value is None:
+        return
     val = str(value).strip()
     if val:
         setattr(profile, field_name, val)