diff --git a/builds/appchan-x.user.js b/builds/appchan-x.user.js
index 16f09a18c..cfb5f9979 100644
--- a/builds/appchan-x.user.js
+++ b/builds/appchan-x.user.js
@@ -13699,20 +13699,17 @@
     };
 
     Color.prototype.shiftRGB = function(shift, smart) {
-      var color;
+      var color, rgb, _i, _len, _ref;
       if (smart) {
-        shift = (this.isLight ? -1 : 1) * Math.abs(shift);
+        shift = (this.isLight() ? -1 : 1) * Math.abs(shift);
       }
-      return ((function() {
-        var _i, _len, _ref, _results;
-        _ref = this.privateRGB;
-        _results = [];
-        for (_i = 0, _len = _ref.length; _i < _len; _i++) {
-          color = _ref[_i];
-          _results.push(minmax(color + shift));
-        }
-        return _results;
-      }).call(this)).join(",");
+      rgb = [];
+      _ref = this.privateRGB;
+      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+        color = _ref[_i];
+        rgb.push(minmax(color + shift));
+      }
+      return rgb.join("");
     };
 
     return Color;
diff --git a/builds/crx/script.js b/builds/crx/script.js
index 198a18237..bb8f15dd1 100644
--- a/builds/crx/script.js
+++ b/builds/crx/script.js
@@ -13710,20 +13710,17 @@
     };
 
     Color.prototype.shiftRGB = function(shift, smart) {
-      var color;
+      var color, rgb, _i, _len, _ref;
       if (smart) {
-        shift = (this.isLight ? -1 : 1) * Math.abs(shift);
+        shift = (this.isLight() ? -1 : 1) * Math.abs(shift);
       }
-      return ((function() {
-        var _i, _len, _ref, _results;
-        _ref = this.privateRGB;
-        _results = [];
-        for (_i = 0, _len = _ref.length; _i < _len; _i++) {
-          color = _ref[_i];
-          _results.push(minmax(color + shift));
-        }
-        return _results;
-      }).call(this)).join(",");
+      rgb = [];
+      _ref = this.privateRGB;
+      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+        color = _ref[_i];
+        rgb.push(minmax(color + shift));
+      }
+      return rgb.join("");
     };
 
     return Color;
diff --git a/src/Theming/color.coffee b/src/Theming/color.coffee
index 61a9f016e..761cde571 100644
--- a/src/Theming/color.coffee
+++ b/src/Theming/color.coffee
@@ -52,5 +52,7 @@ class Color
   isLight:    -> (@privateRGB[0] * 0.299 + @privateRGB[1] * 0.587 + @privateRGB[2] * 0.114) > 125
 
   shiftRGB: (shift, smart) ->
-    shift = (if @isLight then -1 else 1) * Math.abs shift if smart
-    return (minmax color + shift for color in @privateRGB).join ","
\ No newline at end of file
+    shift = (if @isLight() then -1 else 1) * Math.abs shift if smart
+    rgb   = []
+    rgb.push minmax color + shift for color in @privateRGB
+    rgb.join ""
\ No newline at end of file