diff --git a/Tests/test_color_lut.py b/Tests/test_color_lut.py
index b7878546fea..baa899df5df 100644
--- a/Tests/test_color_lut.py
+++ b/Tests/test_color_lut.py
@@ -382,17 +382,18 @@ def test_numpy_sources(self) -> None:
 
         table = numpy.ones((7, 6, 5, 3), dtype=numpy.float16)
         lut = ImageFilter.Color3DLUT((5, 6, 7), table)
-        lut_table = lut.table
-        assert isinstance(lut_table, numpy.ndarray)
-        assert lut_table.dtype == table.dtype
-        assert lut_table.shape == (table.size,)
+        assert isinstance(lut.table, numpy.ndarray)
+        assert lut.table.dtype == table.dtype
+        assert lut.table.shape == (table.size,)
 
         table = numpy.ones((7 * 6 * 5, 3), dtype=numpy.float16)
         lut = ImageFilter.Color3DLUT((5, 6, 7), table)
+        assert isinstance(lut.table, numpy.ndarray)
         assert lut.table.shape == (table.size,)
 
         table = numpy.ones((7 * 6 * 5 * 3), dtype=numpy.float16)
         lut = ImageFilter.Color3DLUT((5, 6, 7), table)
+        assert isinstance(lut.table, numpy.ndarray)
         assert lut.table.shape == (table.size,)
 
         # Check application