diff --git a/newsfragments/670.misc b/newsfragments/670.misc
new file mode 100644
index 000000000..d01880165
--- /dev/null
+++ b/newsfragments/670.misc
@@ -0,0 +1 @@
+Fix regression test after scan changes
diff --git a/tests/test_FormatCBFFull.py b/tests/test_FormatCBFFull.py
index 0b3d4a71c..c8ad43d12 100644
--- a/tests/test_FormatCBFFull.py
+++ b/tests/test_FormatCBFFull.py
@@ -40,7 +40,9 @@ def test_still(dials_regression):
     imgset = ImageSetFactory.new(os.path.join(data_dir, "grid_full_cbf_0005.cbf"))[0]
     if imgset.get_scan(0):
         scan = imgset.get_scan(0)
-        assert approx_equal(scan.get_image_oscillation(0), (30.0, 0.0), eps=1e-5)
+        assert approx_equal(
+            scan.get_image_oscillation(scan.get_image_range()[0]), (30.0, 0.0), eps=1e-5
+        )
     beam = imgset.get_beam(0)
     beam.get_s0()
     assert approx_equal(beam.get_s0(), (-0.0, -0.0, -1.0209290454313424))