diff --git a/src/containers/bit-brush-mode.jsx b/src/containers/bit-brush-mode.jsx
index 9742458e..c93c2ddd 100644
--- a/src/containers/bit-brush-mode.jsx
+++ b/src/containers/bit-brush-mode.jsx
@@ -45,7 +45,7 @@ class BitBrushMode extends React.Component {
         clearSelection(this.props.clearSelectedItems);
         // Force the default brush color if fill is MIXED or transparent
         let color = this.props.color;
-        if (color === MIXED || color === null) {
+        if (color === MIXED) {
             this.props.onChangeFillColor(DEFAULT_COLOR);
             color = DEFAULT_COLOR;
         }
diff --git a/src/helper/bit-tools/brush-tool.js b/src/helper/bit-tools/brush-tool.js
index d496a995..9ee77bb2 100644
--- a/src/helper/bit-tools/brush-tool.js
+++ b/src/helper/bit-tools/brush-tool.js
@@ -24,7 +24,7 @@ class BrushTool extends paper.Tool {
         this.size = 5;
     }
     setColor (color) {
-        this.color = color;
+        this.color = color ? color : new paper.Color(0, 0, 0, 0);
     }
     bresenhamLine (point1, point2, callback){
         // Fast Math.floor