diff --git a/lights.js b/lights.js
index bd6cf67..450cf38 100644
--- a/lights.js
+++ b/lights.js
@@ -55,9 +55,9 @@ export function tick() {
         fade(i);
       }
     }
-    else if (pixel_cache[i] != next_pattern[i]) {
+    else if (pixel_cache[i] != pixels[i]) {
       console.log("PATTERN NOT STORED " + i);
-      pixel_cache[i] = next_pattern[i];
+      pixel_cache[i] = pixels[i];
     }
   }
   if (!changed) {