diff --git a/t/Macro/Thumbnail.t b/t/Macro/Thumbnail.t
index 799c064bd..6b8f97cd5 100644
--- a/t/Macro/Thumbnail.t
+++ b/t/Macro/Thumbnail.t
@@ -88,7 +88,7 @@ SKIP: {
     ##Load the image into some parser and check a few pixels to see if they're blue-ish.
     ##->Get('pixel[x,y]') hopefully returns color in hex triplets
     my $thumbImg = Image::Magick->new();
-    $thumbImg->Read(filename => $thumbFile);
+    $thumbImg->ReadImage($thumbFile);
 
     cmp_bag([$thumbImg->GetPixels(width=>1, height=>1, x=>25, y=>25, map=>'RGB', normalize=>'true')], [0,0,1], 'blue pixel #1');
     cmp_bag([$thumbImg->GetPixels(width=>1, height=>1, x=>75, y=>75, map=>'RGB', normalize=>'true')], [0,0,1], 'blue pixel #2');