diff --git a/src/jsonyx/test/test_load_query_value.py b/src/jsonyx/test/test_load_query_value.py
index 2d902ed..2ee9156 100644
--- a/src/jsonyx/test/test_load_query_value.py
+++ b/src/jsonyx/test/test_load_query_value.py
@@ -64,7 +64,7 @@ def test_int(s: str) -> None:
 
 
 @pytest.mark.skipif(
-    hasattr(sys, "get_int_max_str_digits"),
+    not hasattr(sys, "get_int_max_str_digits"),
     reason="requires integer string conversion length limit",
 )
 def test_too_big_int() -> None:
diff --git a/src/jsonyx/test/test_loads.py b/src/jsonyx/test/test_loads.py
index 022414e..d9ca197 100644
--- a/src/jsonyx/test/test_loads.py
+++ b/src/jsonyx/test/test_loads.py
@@ -106,7 +106,7 @@ def test_int(json: ModuleType, s: str) -> None:
 
 
 @pytest.mark.skipif(
-    hasattr(sys, "get_int_max_str_digits"),
+    not hasattr(sys, "get_int_max_str_digits"),
     reason="requires integer string conversion length limit",
 )
 def test_too_big_int(json: ModuleType) -> None: