diff --git a/tests/functional/codegen/calling_convention/test_default_parameters.py b/tests/functional/codegen/calling_convention/test_default_parameters.py
index 1929b83cce..240ccb3bb1 100644
--- a/tests/functional/codegen/calling_convention/test_default_parameters.py
+++ b/tests/functional/codegen/calling_convention/test_default_parameters.py
@@ -119,7 +119,7 @@ def bar(): payable
 FOO: constant(Foo) = Foo(0xFFfFfFffFFfffFFfFFfFFFFFffFFFffffFfFFFfF)
 
 @external
-def bar(a: uint256, b: Foo = Foo(0xFFfFfFffFFfffFFfFFfFFFFFffFFFffffFfFFFfF)) -> Foo:
+def bar(a: uint256, b: Foo = Foo(0xF5D4020dCA6a62bB1efFcC9212AAF3c9819E30D7)) -> Foo:
     return b
 
 @external
@@ -132,18 +132,15 @@ def faz(a: uint256, b: Foo = FOO) -> Foo:
     """
     c = get_contract(code)
 
-    assert c.bar(1) == "0xFFfFfFffFFfffFFfFFfFFFFFffFFFffffFfFFFfF"
-    assert (
-        c.bar(1, "0xFFfFfFffFFfffFFfFFfFFFFFffFFFffffFfFFFfF")
-        == "0xFFfFfFffFFfffFFfFFfFFFFFffFFFffffFfFFFfF"
-    )
+    addr1 = "0xFFfFfFffFFfffFFfFFfFFFFFffFFFffffFfFFFfF"
+    addr2 = "0xF5D4020dCA6a62bB1efFcC9212AAF3c9819E30D7"
+
+    assert c.bar(1) == addr2
+    assert c.bar(1, addr1) == addr1
     assert c.baz(1) is None
     assert c.baz(1, "0x0000000000000000000000000000000000000000") is None
-    assert c.faz(1) == "0xFFfFfFffFFfffFFfFFfFFFFFffFFFffffFfFFFfF"
-    assert (
-        c.faz(1, "0xFFfFfFffFFfffFFfFFfFFFFFffFFFffffFfFFFfF")
-        == "0xFFfFfFffFFfffFFfFFfFFFFFffFFFffffFfFFFfF"
-    )
+    assert c.faz(1) == addr1
+    assert c.faz(1, addr1) == addr1
 
 
 def test_default_param_internal_function(get_contract):