diff --git a/src/Intervention/Image/Imagick/Commands/GetSizeCommand.php b/src/Intervention/Image/Imagick/Commands/GetSizeCommand.php
index 73f712fa..f0c09af6 100644
--- a/src/Intervention/Image/Imagick/Commands/GetSizeCommand.php
+++ b/src/Intervention/Image/Imagick/Commands/GetSizeCommand.php
@@ -14,11 +14,12 @@ class GetSizeCommand extends \Intervention\Image\Commands\AbstractCommand
      */
     public function execute($image)
     {
-        $info = $image->getCore()->identifyImage();
+        /** @var \Imagick $core */
+        $core = $image->getCore();
 
         $this->setOutput(new Size(
-            $info['geometry']['width'],
-            $info['geometry']['height']
+            $core->getImageWidth(),
+            $core->getImageHeight()
         ));
 
         return true;
diff --git a/tests/GetsizeCommandTest.php b/tests/GetsizeCommandTest.php
index dc5e96e9..3efffa95 100644
--- a/tests/GetsizeCommandTest.php
+++ b/tests/GetsizeCommandTest.php
@@ -9,7 +9,7 @@ class GetSizeCommandTest extends PHPUnit_Framework_TestCase
     {
         Mockery::close();
     }
-    
+
     public function testGd()
     {
         $resource = imagecreatefromjpeg(__DIR__.'/images/test.jpg');
@@ -25,7 +25,8 @@ class GetSizeCommandTest extends PHPUnit_Framework_TestCase
     public function testImagick()
     {
         $imagick = Mockery::mock('Imagick');
-        $imagick->shouldReceive('identifyimage')->with();
+        $imagick->shouldReceive('getimagewidth')->with();
+        $imagick->shouldReceive('getimageheight')->with();
         $image = Mockery::mock('Intervention\Image\Image');
         $image->shouldReceive('getCore')->once()->andReturn($imagick);
         $command = new GetSizeImagick(array());