diff --git a/Tests/subset/subset_test.py b/Tests/subset/subset_test.py
index 01a1564ea..416b26da5 100644
--- a/Tests/subset/subset_test.py
+++ b/Tests/subset/subset_test.py
@@ -1780,7 +1780,7 @@ def test_subset_COLRv1_drop_all_v0_glyphs(colrv1_path):
     assert colr.table.BaseGlyphRecordCount == 0
     assert colr.table.BaseGlyphRecordArray is None
     assert colr.table.LayerRecordArray is None
-    assert colr.table.LayerRecordCount is 0
+    assert colr.table.LayerRecordCount == 0
 
 
 def test_subset_COLRv1_no_ClipList(colrv1_path):