diff --git a/tests/test_models.py b/tests/test_models.py
index b703444248..117a90020e 100644
--- a/tests/test_models.py
+++ b/tests/test_models.py
@@ -245,7 +245,7 @@ class Model(BaseModel):
     assert m.foo is True
 
     m = Model.construct(foo="CARD_HOLDER")
-    assert m.foo is "CARD_HOLDER"
+    assert m.foo == "CARD_HOLDER"
 
     m = Model.construct(foo={"bar": False})
     assert isinstance(m.foo, Submodel1)