diff --git a/js/gcodeprocessing.js b/js/gcodeprocessing.js
index 927ce74..1ff24eb 100644
--- a/js/gcodeprocessing.js
+++ b/js/gcodeprocessing.js
@@ -439,9 +439,9 @@ function processGcode(formName) {
         // changes for acceleration test
         if(name == "accelerationForm"){
             // edit feedrates
-            gcode = gcode.replace(/F3600/g, "F"+outer+" ; custom outer perimeter feedrate");
-            gcode = gcode.replace(/F2880/g, "F"+outer+" ; custom outer perimeter feedrate");
-            gcode = gcode.replace(/F2160/g, "F"+inner+" ; custom inner perimeter feedrate");
+            gcode = gcode.replace(/F3600/g, "F"+inner+" ; custom outer perimeter feedrate");
+            gcode = gcode.replace(/F2880/g, "F"+inner+" ; custom outer perimeter feedrate");
+            gcode = gcode.replace(/F2160/g, "F"+outer+" ; custom inner perimeter feedrate");
             // add acceleration segments
             gcode = gcode.replace(/;process Process-1/, "M201 X50000 Y50000 Z50000; custom raise acceleration limits\nM204 P"+a1+" T"+a1+" ; custom acceleration - A\n;j1");
             gcode = gcode.replace(/;process Process-2/, "M204 P"+b1+" T"+b1+" ; custom acceleration - B\n;j2");