diff --git a/panels/base_panel.py b/panels/base_panel.py
index 49a155f8..d6974eaa 100644
--- a/panels/base_panel.py
+++ b/panels/base_panel.py
@@ -131,9 +131,10 @@ class BasePanel(ScreenPanel):
                     break
                 if device.startswith("extruder") and self.current_extruder is False:
                     self.control['temp_box'].add(self.labels[f"{device}_box"])
+                    n += 1
                 elif device.startswith("heater"):
                     self.control['temp_box'].add(self.labels[f"{device}_box"])
-                n += 1
+                    n += 1
             for device in devices:
                 # Users can fill the bar if they want
                 if n >= nlimit + 1: