diff --git a/lights.js b/lights.js
index e163413..33b8336 100644
--- a/lights.js
+++ b/lights.js
@@ -63,7 +63,9 @@ export function tick() {
   if (!changed) {
     tick_pattern();
   }
-  ws281x.render(pixels);
+  else {
+    ws281x.render(pixels);
+  }
   ws281x.sleep(cfg.sleep_time || 500);
 }
 
@@ -119,6 +121,7 @@ function fade(index) {
     console.log(`${current_tick_r} ${current_tick_g} ${current_tick_b}: `
       + `CURRENT COLOR: ${current.r} ${current.g} ${current.b} NEW COLOR: ${current.r + interval_r} ${current.g + interval_g} ${current.b + interval_b} ` +
       `FINAL: ${final.r} ${final.g} ${final.b} ` +
-      `INTERVAL: ${interval_r} ${interval_g} ${interval_b}`);
+      `\nINTERVAL: ${interval_r} ${interval_g} ${interval_b} ` +
+      `PREVIOUS: ${int_to_rgb(pixel_cache[index])}`);
   }
 }
\ No newline at end of file