diff --git a/plugins/sacn/main.js b/plugins/sacn/main.js
index 6ee5107..955354c 100644
--- a/plugins/sacn/main.js
+++ b/plugins/sacn/main.js
@@ -20,6 +20,7 @@ exports.config = {
 exports.ready = function ready(device) {
   const d = device;
   d.data.universes = {};
+  d.data.priorities = {};
   d.data.source = 'Unknown Source';
   d.data.orderedUniverses = [];
 
@@ -40,11 +41,16 @@ exports.data = function data(_device, buf) {
   const device = _device;
 
   let universe = device.data.universes[universeIndex];
+  let priorities = device.data.priorities[universeIndex];
 
   if (!universe) {
     device.data.universes[universeIndex] = {};
     universe = device.data.universes[universeIndex];
   }
+  if (!priorities) {
+    device.data.priorities[universeIndex] = new Array(512).fill(0);
+    priorities = device.data.priorities[universeIndex];
+  }
 
   universe.sequence = buf.readUInt8(111);
   universe.priority = buf.readUInt8(108);
@@ -65,15 +71,20 @@ exports.data = function data(_device, buf) {
     universe.slotElems = [];
     universe.slotElemsSet = false;
 
-    device.draw();
-    device.update('elementCache');
+    if (universe.priority > 0) {
+      device.draw();
+      device.update('elementCache');
+    }
+  }
+  if (universe.priority > 0) {
+    device.update('universeData', {
+      universeIndex,
+      universe,
+      startCode: universe.startCode,
+    });
+  } else {
+    device.data.priorities[universeIndex] = buf.slice(126);
   }
-
-  device.update('universeData', {
-    universeIndex,
-    universe,
-    startCode: universe.startCode,
-  });
 };
 
 exports.heartbeat = function heartbeat(device) {};
@@ -92,32 +103,35 @@ exports.update = function update(_device, doc, updateType, updateData) {
     const $elem = doc.getElementById(`universe-${data.universeIndex}`);
 
     if ($elem && data.universe.slotElemsSet) {
-      if (data.universe.priority > 0) {
-        for (let i = 0; i < 512; i++) {
-          data.universe.slotElems[i].textContent = data.universe.slots[i];
-        }
-
-        const $code = doc.getElementById(`universe-${data.universeIndex}-code`);
-        if (data.startCode === 0xdd) {
-          $code.textContent = 'Net3';
-        } else if (data.startCode === 0x17) {
-          $code.textContent = 'Text';
-        } else if (data.startCode === 0xcf) {
-          $code.textContent = 'SIP';
-        } else if (data.startCode === 0xcc) {
-          $code.textContent = 'RDM';
-        }
+      for (let i = 0; i < 512; i++) {
+        data.universe.slotElems[i].textContent = data.universe.slots[i];
+      }
+      const $code = doc.getElementById(`universe-${data.universeIndex}-code`);
+      if (data.startCode === 0xdd) {
+        $code.textContent = 'Net3';
+      } else if (data.startCode === 0x17) {
+        $code.textContent = 'Text';
+      } else if (data.startCode === 0xcf) {
+        $code.textContent = 'SIP';
+      } else if (data.startCode === 0xcc) {
+        $code.textContent = 'RDM';
       }
     } else {
+      // console.log('x');
       device.draw();
       device.update('elementCache');
     }
   } else if (updateType === 'elementCache') {
     device.data.orderedUniverses.forEach((universeIndex) => {
-      for (let i = 0; i < 512; i++) {
-        device.data.universes[universeIndex].slotElems[i] = doc.getElementById(`${universeIndex}-${i}`);
+      const universe = device.data.universes[universeIndex];
+
+      if (doc.getElementById(`${universeIndex}-0`)) {
+        for (let i = 0; i < 512; i++) {
+          universe.slotElems[i] = doc.getElementById(`${universeIndex}-${i}`);
+          universe.slotElems[i].title = `${universeIndex}/${i}   ${device.data.priorities[universeIndex][i]}`;
+        }
+        universe.slotElemsSet = true;
       }
-      device.data.universes[universeIndex].slotElemsSet = true;
     });
   }
 };