diff --git a/web/index.html b/web/index.html
index 688919d..9561963 100644
--- a/web/index.html
+++ b/web/index.html
@@ -71,10 +71,9 @@ <h1>GNSS Status</h1>
         </select>
       </div>
 
-      <div>
+      <div id="selectedRoverContainer">
         <label for="selectedRoverDropdown">Selected Rover</label>
-        <select id="selectedRoverDropdown">
-        </select>
+        <select id="selectedRoverDropdown"></select>
       </div>
 
       <div class="chart-container">
diff --git a/web/js/app.js b/web/js/app.js
index 13a00d2..a67ab08 100644
--- a/web/js/app.js
+++ b/web/js/app.js
@@ -173,6 +173,7 @@ const manualYRangeInput = document.getElementById('manualYRangeInput');
 const showOnlyRtkFixCheckbox = document.getElementById('showOnlyRtkFixCheckbox');
 const showThresholdInput = document.getElementById('showThresholdInput');
 const displayModeDropdown = document.getElementById('displayModeDropdown');
+const selectedRoverContainer = document.getElementById('selectedRoverContainer');
 const selectedRoverDropdown = document.getElementById('selectedRoverDropdown');
 const downloadButton = document.getElementById('downloadButton');
 const datePicker = document.getElementById('datePicker');
@@ -224,6 +225,9 @@ async function refreshData() {
       return;
   }
 
+  selectedRoverContainer.classList.add('hidden');
+  selectedRoverDropdown.innerHTML = '<option>No rovers available</option>';
+
   const data = await fetchData(dataStart);
 
   if (data.availableRovers.length === 0) {
@@ -236,6 +240,8 @@ async function refreshData() {
     return;
   }
 
+  selectedRoverContainer.classList.remove('hidden');
+
   // Update the available rovers
   availableRovers = data.availableRovers;
 
@@ -336,8 +342,7 @@ autoScaleXCheckbox.addEventListener('change', () => {
 });
 
 autoScaleYCheckbox.addEventListener('change', () => {
-  const autoScale = autoScaleYCheckbox.checked;
-  autoScaleY = autoScale;
+  autoScaleY = autoScaleYCheckbox.checked;
 
   updateGraphRanges()
 });
@@ -366,6 +371,11 @@ displayModeDropdown.addEventListener('change', async () => {
   await forceRefreshData();
 });
 
+selectedRoverDropdown.addEventListener('change', () => {
+  selectedRover = selectedRoverDropdown.value;
+  refreshInterface();
+});
+
 downloadButton.addEventListener('click', async () => {
   const selectedDate = new Date(datePicker.value);
   const dayStartLocal = new Date(selectedDate.getFullYear(), selectedDate.getMonth(), selectedDate.getDate(), 0, 0, 0, 0);