diff --git a/src/kiri/core/export.js b/src/kiri/core/export.js
index 4973ff37..ae3c50cf 100644
--- a/src/kiri/core/export.js
+++ b/src/kiri/core/export.js
@@ -471,7 +471,7 @@ function exportGCodeDialog(gcode, sections, info, names) {
         $('print-filament').style.display = fdm ? '' : 'none';
         $('print-filename').value = filename;
         $('print-filesize').value = util.comma(info.bytes);
-        $('print-filament').value = Math.round(info.distance);
+        $('print-length').value = Math.round(info.distance);
         if (set.controller.devel) {
             $('code-preview-textarea').style.height = "30em";
         }
diff --git a/web/kiri/index.html b/web/kiri/index.html
index cc2f87f8..91431e16 100644
--- a/web/kiri/index.html
+++ b/web/kiri/index.html
@@ -628,7 +628,7 @@
                     <div class="header"><label>material</label></div>
                     <div class="f-col box">
                         <div><label>filament density (g/cm^3)</label><input id="print-density" size="12" value="1.25" /></div>
-                        <div><label>filament used (mm)</label><input id="print-filament" size="12" disabled="true" /></div>
+                        <div><label>filament used (mm)</label><input id="print-length" size="12" disabled="true" /></div>
                         <div><label>printed weight (g)</label><input id="print-weight" size="12" disabled="true" /></div>
                     </div>
                 </div>