diff --git a/tests/test_tweakreg.py b/tests/test_tweakreg.py
index de6fdabb2..da8216eed 100644
--- a/tests/test_tweakreg.py
+++ b/tests/test_tweakreg.py
@@ -244,7 +244,7 @@ def input_catalog(datamodel):
     cat = amutils.get_catalog(fiducial[0], fiducial[1], search_radius=radius,
                               catalog=TEST_CATALOG)
 
-    x, y = w.world_to_pixel(cat["ra"].value, cat["dec"].value)
+    x, y = w.world_to_pixel_values(cat["ra"].value, cat["dec"].value)
     return Table({"x": x, "y": y})