diff --git a/src/Intervention/Image/Gd/Commands/ResizeCanvasCommand.php b/src/Intervention/Image/Gd/Commands/ResizeCanvasCommand.php
index 3c48bf85..31482df3 100644
--- a/src/Intervention/Image/Gd/Commands/ResizeCanvasCommand.php
+++ b/src/Intervention/Image/Gd/Commands/ResizeCanvasCommand.php
@@ -61,6 +61,12 @@ class ResizeCanvasCommand extends \Intervention\Image\Commands\AbstractCommand
             $src_h = $original_height;
         }
 
+        // make image area transparent to keep transparency
+        // even if background-color is set
+        $transparent = imagecolorallocatealpha($canvas->getCore(), 0, 0, 0, 127);
+        imagealphablending($canvas->getCore(), false); // do not blend / just overwrite
+        imagefilledrectangle($canvas->getCore(), $dst_x, $dst_y, $src_w + 1, $src_h + 1, $transparent);
+
         // copy image into new canvas
         imagecopy($canvas->getCore(), $image->getCore(), $dst_x, $dst_y, $src_x, $src_y, $src_w, $src_h);
 
diff --git a/tests/ResizeCanvasCommandTest.php b/tests/ResizeCanvasCommandTest.php
index 8aabbdff..152fde1f 100644
--- a/tests/ResizeCanvasCommandTest.php
+++ b/tests/ResizeCanvasCommandTest.php
@@ -22,7 +22,7 @@ class ResizeCanvasCommandTest extends PHPUnit_Framework_TestCase
         $image_size->shouldReceive('align')->with('center')->andReturn($image_size);
         $image_size->shouldReceive('relativePosition')->andReturn($image_pos);
         $canvas = Mockery::mock('\Intervention\Image\Image');
-        $canvas->shouldReceive('getCore')->times(2)->andReturn($resource);
+        $canvas->shouldReceive('getCore')->times(5)->andReturn($resource);
         $canvas->shouldReceive('getSize')->andReturn($canvas_size);
         $driver = Mockery::mock('\Intervention\Image\Gd\Driver');
         $driver->shouldReceive('newImage')->with(820, 640, '#b53717')->once()->andReturn($canvas);