diff --git a/lime/graphics/utils/ImageCanvasUtil.hx b/lime/graphics/utils/ImageCanvasUtil.hx
index 812086d38..144bdf7ab 100644
--- a/lime/graphics/utils/ImageCanvasUtil.hx
+++ b/lime/graphics/utils/ImageCanvasUtil.hx
@@ -283,8 +283,18 @@ class ImageCanvasUtil {
 			
 		}
 		
-		image.buffer.__srcContext.fillStyle = 'rgba(' + r + ', ' + g + ', ' + b + ', ' + (a / 255) + ')';
-		image.buffer.__srcContext.fillRect (rect.x + image.offsetX, rect.y + image.offsetY, rect.width + image.offsetX, rect.height + image.offsetY);
+		if (a < 255) {
+			
+			image.buffer.__srcContext.clearRect (rect.x + image.offsetX, rect.y + image.offsetY, rect.width + image.offsetX, rect.height + image.offsetY);
+			
+		}
+		
+		if (a > 0) {
+			
+			image.buffer.__srcContext.fillStyle = 'rgba(' + r + ', ' + g + ', ' + b + ', ' + (a / 255) + ')';
+			image.buffer.__srcContext.fillRect (rect.x + image.offsetX, rect.y + image.offsetY, rect.width + image.offsetX, rect.height + image.offsetY);
+			
+		}
 		
 		image.dirty = true;
 		image.version++;