diff --git a/ext/gd/tests/imagebmp_basic.phpt b/ext/gd/tests/imagebmp_basic.phpt
index a1eb244ef4e27..b3d1212d014cd 100644
--- a/ext/gd/tests/imagebmp_basic.phpt
+++ b/ext/gd/tests/imagebmp_basic.phpt
@@ -14,10 +14,8 @@ imagecolorallocate($im, 0, 0, 0);
 $white = imagecolorallocate($im, 255, 255, 255);
 imageline($im, 10,10, 89,89, $white);
 
-// write the md5 hash of its BMP representation
-ob_start();
-imagebmp($im);
-echo md5(ob_get_clean());
+require __DIR__ . "/func.inc";
+test_image_equals_file(__DIR__ . "/imagebmp_basic.png", $im);
 ?>
 --EXPECT--
-d49124076771822b09fa72e168c0de56
+The images are equal.
diff --git a/ext/gd/tests/imagebmp_basic.png b/ext/gd/tests/imagebmp_basic.png
new file mode 100644
index 0000000000000..26fc7d0afcf9f
Binary files /dev/null and b/ext/gd/tests/imagebmp_basic.png differ