diff --git a/src/index.html b/src/index.html
index c338fe68ea..c08d3b4fa9 100644
--- a/src/index.html
+++ b/src/index.html
@@ -82,7 +82,7 @@
                 <div class="noflash_global" i18n="sensorDataFlashNotFound"></div>
                 <ul class="dataflash-contents_global">
                     <div class="legend" i18n="sensorDataFlashFreeSpace"></div>
-                    <progress class="dataflash-progress_global" value="32" max="100"></progress>
+                    <progress class="dataflash-progress_global" max="100"></progress>
                 </ul>
                 <div id="expertMode">
                     <label>
diff --git a/src/js/update_dataflash_global.js b/src/js/update_dataflash_global.js
index fd58d1eeaf..588c6b029b 100644
--- a/src/js/update_dataflash_global.js
+++ b/src/js/update_dataflash_global.js
@@ -28,10 +28,7 @@ export function update_dataflash_global() {
            display: 'block',
         });
 
-        $(".progress-bar__fill").css({
-           width: `${100-(FC.DATAFLASH.totalSize - FC.DATAFLASH.usedSize) / FC.DATAFLASH.totalSize * 100}%`,
-           display: 'block',
-        });
+        $(".dataflash-progress_global").val(`${100-(FC.DATAFLASH.totalSize - FC.DATAFLASH.usedSize) / FC.DATAFLASH.totalSize * 100}`);
         $(".dataflash-contents_global div").text(`Dataflash: free ${formatFilesize(FC.DATAFLASH.totalSize - FC.DATAFLASH.usedSize)}`);
      } else {
         $(".noflash_global").css({