diff --git a/lights.js b/lights.js
index 517239d..5603216 100644
--- a/lights.js
+++ b/lights.js
@@ -85,6 +85,7 @@ function fade(index) {
   var sign_r = diff_r === Math.abs(diff_r) ? 1 : -1;
   var sign_g = diff_g === Math.abs(diff_g) ? 1 : -1;
   var sign_b = diff_b === Math.abs(diff_b) ? 1 : -1;
+  console.log(`${diff_r} ${sign_r} ${diff_g} ${sign_g} ${diff_b} ${sign_b}`);
   var interval_r = sign_r * Math.ceil(Math.abs(diff_r) / fade_ticks);
   var interval_g = sign_g * Math.ceil(Math.abs(diff_g) / fade_ticks);
   var interval_b = sign_b * Math.ceil(Math.abs(diff_b) / fade_ticks);