diff --git a/modules/ui/options.js b/modules/ui/options.js
index 0bac147b..07697cce 100644
--- a/modules/ui/options.js
+++ b/modules/ui/options.js
@@ -178,6 +178,14 @@ function mapSizeInputChange() {
   }
 }
 
+function restoreDefaultCanvasSize() {
+  mapWidthInput.value = window.innerWidth;
+  mapHeightInput.value = window.innerHeight;
+  localStorage.removeItem("mapHeight");
+  localStorage.removeItem("mapWidth");
+  fitMapToScreen();
+}
+
 // on map creation
 function applyGraphSize() {
   graphWidth = +mapWidthInput.value;
@@ -212,13 +220,6 @@ function fitMapToScreen() {
   if (window.fitLegendBox) fitLegendBox();
 }
 
-function restoreDefaultCanvasSize() {
-  mapWidthInput.value = window.innerWidth;
-  mapHeightInput.value = window.innerHeight;
-  localStorage.removeItem("mapHeight");
-  localStorage.removeItem("mapWidth");
-}
-
 function toggleTranslateExtent(el) {
   const on = (el.dataset.on = +!+el.dataset.on);
   if (on) {