diff --git a/README.md b/README.md
index 839047880..feabf913b 100644
--- a/README.md
+++ b/README.md
@@ -126,7 +126,7 @@ See the [Danger Features document](https://dangerklipper.io/Danger_Features.html
 
 - [danger_options: configurable homing constants](https://github.com/DangerKlippers/danger-klipper/pull/378)
 
-- [adxl: disable heaters when connected](https://github.com/DangerKlippers/danger-klipper/pull/425)
+- [heater: disable if specified mcu is connected](https://github.com/DangerKlippers/danger-klipper/pull/425)
 
 If you're feeling adventurous, take a peek at the extra features in the bleeding-edge-v2 branch [feature documentation](docs/Bleeding_Edge.md)
 and [feature configuration reference](docs/Config_Reference_Bleeding_Edge.md):
diff --git a/docs/Config_Reference.md b/docs/Config_Reference.md
index 9d08960b9..21ef49d07 100644
--- a/docs/Config_Reference.md
+++ b/docs/Config_Reference.md
@@ -1092,7 +1092,7 @@ per_move_pressure_advance: False
 #   This causes changes to pressure advance be taken into account immediately,
 #   for all moves in the current queue, rather than ~250ms later once the queue gets flushed
 #disable_if_connected:
-#   List of mcus that should disable the heater if connected, usefull for nozzle adxls
+#   List of mcus that should disable the heater if connected, useful for nozzle adxls
 #   as to not accidentally fry them due to heating the hotend.
 ```
 
diff --git a/klippy/extras/heaters.py b/klippy/extras/heaters.py
index cc978c3e9..59fa6e649 100644
--- a/klippy/extras/heaters.py
+++ b/klippy/extras/heaters.py
@@ -62,10 +62,9 @@ def __init__(self, config, sensor):
         )
         self.can_extrude = self.min_extrude_temp <= 0.0 or is_fileoutput
         self.disable_if_connected = []
-        if hasattr(config, "getlist"):
-            self.disable_if_connected = config.getlist(
-                "disable_if_connected", self.disable_if_connected
-            )
+        self.disable_if_connected = config.getlist(
+            "disable_if_connected", self.disable_if_connected
+        )
         self.max_power = config.getfloat(
             "max_power", 1.0, above=0.0, maxval=1.0
         )