diff --git a/test/unit/imaging/image_io_test.cpp b/test/unit/imaging/image_io_test.cpp
index 881179865..8a5150211 100644
--- a/test/unit/imaging/image_io_test.cpp
+++ b/test/unit/imaging/image_io_test.cpp
@@ -23,8 +23,8 @@ SECTION("readers") {
     {
         mapnik::image_rgba8 im_og;
         auto im_size = mapnik::image_rgba8::pixel_size * im_og.width() * im_og.height();
-        mapnik::detail::buffer buf(im_og.bytes(),im_size);
-        mapnik::image_rgba8 im2(im_og.width(),im_og.height(),std::move(buf));
+        mapnik::detail::buffer buf(im_og.bytes(), im_size);
+        mapnik::image_rgba8 im2(im_og.width(), im_og.height(), buf.data());
         CHECK( im2.bytes() == im_og.bytes() );
 #if defined(HAVE_JPEG)
         should_throw = "./test/data/images/blank.jpg";