diff --git a/printer_data/config/CUSTOM/m_set_pa.cfg b/printer_data/config/CUSTOM/m_set_pa.cfg
index 9b7e4d3..d1a6dcf 100644
--- a/printer_data/config/CUSTOM/m_set_pa.cfg
+++ b/printer_data/config/CUSTOM/m_set_pa.cfg
@@ -20,7 +20,7 @@ gcode:
     {% set base_pa   = params.PA|float %}
     {% set flow      = params.FLOW|default(10.0)|float %}
     {% set max_flow  = params.MAX_FLOW|default(15.0)|float %}
-    {% set nozzle    = printer.extruder.nozzle_diameter|float %}
+    {% set nozzle = printer.configfile.settings.extruder.nozzle_diameter|float %}
 
     # === Scale PA based on nozzle diameter ===
     {% if nozzle <= 0.2 %}