diff --git a/cubids/tests/test_variants.py b/cubids/tests/test_variants.py
index 083c1d1d..561792f9 100644
--- a/cubids/tests/test_variants.py
+++ b/cubids/tests/test_variants.py
@@ -58,5 +58,5 @@ def test_assign_variants_special_parameters(base_df):
     result = assign_variants(base_df, ["HasFieldmap", "UsedAsFieldmap"])
 
     # Check special parameter handling
-    assert "acquisition-VARIANTNoFmap_" in result.loc[1, "RenameEntitySet"]
+    assert "acquisition-VARIANTNoFmapUnused_" in result.loc[1, "RenameEntitySet"]
     assert "acquisition-VARIANTIsUsed_" in result.loc[1, "RenameEntitySet"]
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