diff --git a/macros/helpers/prime_line.cfg b/macros/helpers/prime_line.cfg
index e12f485f2..2284c299d 100644
--- a/macros/helpers/prime_line.cfg
+++ b/macros/helpers/prime_line.cfg
@@ -33,7 +33,8 @@ gcode:
     # Redefine start position from fl_size 
     {% set fl_size=printer['gcode_macro START_PRINT'].fl_size %}
     {% if fl_size != "0_0_0_0" %}
-        {% set prime_line_margin = params.LINE_MARGIN|default(printer["gcode_macro _USER_VARIABLES"].prime_line_margin|float) %}
+        {% set prime_line_margin = printer["gcode_macro _USER_VARIABLES"].prime_line_margin|default(5.0|float) %}
+        {% set prime_line_margin = params.LINE_MARGIN|default(prime_line_margin|float) %}
         {% set min_x, min_y, max_x, max_y = fl_size.split("_")|map('float') %}
         {% set prime_line_x = [[prime_line_x, min_x - prime_line_margin] | max, max_x + prime_line_margin] | min %}
         {% set prime_line_y = [[prime_line_y, min_y - prime_line_margin] | max, max_y + prime_line_margin] | min %}