diff --git a/index.html b/index.html
index f3774fda..20586406 100644
--- a/index.html
+++ b/index.html
@@ -3651,8 +3651,8 @@
       <p style="font-style: italic">Generator uses pop-up window to download files. Please ensure your browser does not block popups</p>
       <div data-tip="Define scale of a saved png/jpeg image (e.g. 5x). Saving big images is slow and may cause a browser crash!" style="margin-bottom: .3em">
         PNG / JPEG scale:
-        <input id="pngResolutionInput" data-stored="pngResolution" type="range" min=1 max=8 value=1 style="width: 10.8em">
-        <input id="pngResolutionOutput" data-stored="pngResolution" type="number" min=1 max=8 value=1>
+        <input id="pngResolutionInput" data-stored="pngResolution" type="range" min=1 max=8 value=1 style="width: 10.8em" oninput="pngResolutionOutput.value = this.value">
+        <input id="pngResolutionOutput" data-stored="pngResolution" type="number" min=1 max=8 value=1 oninput="pngResolutionInput.value = this.value">
       </div>
     </div>
 
diff --git a/modules/ui/options.js b/modules/ui/options.js
index 2779de69..60eed024 100644
--- a/modules/ui/options.js
+++ b/modules/ui/options.js
@@ -99,8 +99,6 @@ optionsContent.addEventListener("input", function(event) {
   else if (id === "uiSizeOutput") changeUIsize(value);
   else if (id === "tooltipSizeInput" || id === "tooltipSizeOutput") changeTooltipSize(value);
   else if (id === "transparencyInput") changeDialogsTransparency(value);
-  else if (id === "pngResolutionInput") pngResolutionOutput.value = value;
-  else if (id === "pngResolutionOutput") pngResolutionInput.value = value;
 });
 
 optionsContent.addEventListener("change", function(event) {