diff --git a/moonraker/components/simplyprint.py b/moonraker/components/simplyprint.py
index 7bf5f44..fd5272b 100644
--- a/moonraker/components/simplyprint.py
+++ b/moonraker/components/simplyprint.py
@@ -126,6 +126,12 @@ class SimplyPrint(Subscribable):
                     "Section [simplyprint], option 'power_device': Unable "
                     f"to locate configuration for power device {power_id}"
                 )
+        else:
+            power_pfx = config.get_prefix_sections("power ")
+            if len(power_pfx) == 1:
+                name = power_pfx[0][6:]
+                if "printer" in name.lower():
+                    self.power_id = name
         self.filament_sensor: str = ""
         fsensor = config.get("filament_sensor", None)
         fs_prefixes = ["filament_switch_sensor ", "filament_motion_sensor "]