diff --git a/tests/wpt/css-tests/css-transitions-1_dev/html/transition-timing-function-001.htm b/tests/wpt/css-tests/css-transitions-1_dev/html/transition-timing-function-001.htm
index 2968e7dbfae..96b8a48c2b3 100644
--- a/tests/wpt/css-tests/css-transitions-1_dev/html/transition-timing-function-001.htm
+++ b/tests/wpt/css-tests/css-transitions-1_dev/html/transition-timing-function-001.htm
@@ -58,15 +58,15 @@
                 'ease-out': 'cubic-bezier(0, 0, 0.58, 1)',
                 'ease-in-out': 'cubic-bezier(0.42, 0, 0.58, 1)',
                 'step-start': 'steps(1, start)',
-                'step-end': 'steps(1, end)',
+                'step-end': 'steps(1)',
                 // cubic bezier
                 'cubic-bezier(0.1, 0.2, 0.3, 0.4)': 'cubic-bezier(0.1, 0.2, 0.3, 0.4)',
                 'cubic-bezier(0.1, -0.2, 0.3, -0.4)': 'cubic-bezier(0.1, -0.2, 0.3, -0.4)',
                 'cubic-bezier(0.1, 1.2, 0.3, 1.4)': 'cubic-bezier(0.1, 1.2, 0.3, 1.4)',
                 // steps
                 'steps(3, start)': 'steps(3, start)',
-                'steps(3, end)': 'steps(3, end)',
-                'steps(3)': 'steps(3, end)',
+                'steps(3, end)': 'steps(3)',
+                'steps(3)': 'steps(3)',
                 // invalid
                 'cubic-bezier(foobar)': defaultValue,
                 'steps(foobar)': defaultValue,