diff --git a/tests/codegen/handlers/test_create_compound_fields.py b/tests/codegen/handlers/test_create_compound_fields.py
index 8da61fed..903adcda 100644
--- a/tests/codegen/handlers/test_create_compound_fields.py
+++ b/tests/codegen/handlers/test_create_compound_fields.py
@@ -266,3 +266,23 @@ def test_sum_counters(self):
 
         result = self.processor.sum_counters(counters)
         self.assertEqual((0, 3), (sum(result[0]), sum(result[1])))
+
+    def test_update_counters(self):
+        attr = AttrFactory.create()
+        attr.restrictions.min_occurs = 2
+        attr.restrictions.max_occurs = 3
+        attr.restrictions.path = [("c", 0, 1, 1)]
+
+        counters = {}
+        self.processor.update_counters(attr, counters)
+
+        expected = {("c", 0, 1, 1): {"max": [3], "min": [0]}}
+        self.assertEqual(expected, counters)
+
+        attr.restrictions.min_occurs = 2
+        attr.restrictions.path = [("c", 0, 2, 1)]
+
+        counters = {}
+        self.processor.update_counters(attr, counters)
+        expected = {("c", 0, 2, 1): {"max": [3], "min": [2]}}
+        self.assertEqual(expected, counters)
diff --git a/tests/codegen/handlers/test_validate_attributes_overrides.py b/tests/codegen/handlers/test_validate_attributes_overrides.py
index 78da4350..af25d29d 100644
--- a/tests/codegen/handlers/test_validate_attributes_overrides.py
+++ b/tests/codegen/handlers/test_validate_attributes_overrides.py
@@ -102,12 +102,19 @@ def test_validate_override(self):
         attr_b.fixed = attr_a.fixed
         attr_a.restrictions.tokens = not attr_b.restrictions.tokens
         attr_a.restrictions.nillable = not attr_b.restrictions.nillable
+        attr_a.restrictions.min_occurs = 0
+        attr_b.restrictions.min_occurs = 1
+        attr_a.restrictions.max_occurs = 0
+        attr_b.restrictions.max_occurs = 1
+
         self.processor.validate_override(target, attr_a, attr_b)
         self.assertEqual(1, len(target.attrs))
 
         # Restrictions are compatible again
         attr_a.restrictions.tokens = attr_b.restrictions.tokens
         attr_a.restrictions.nillable = attr_b.restrictions.nillable
+        attr_a.restrictions.min_occurs = attr_b.restrictions.min_occurs = 1
+        attr_a.restrictions.max_occurs = attr_b.restrictions.max_occurs = 1
         self.processor.validate_override(target, attr_a, attr_b)
         self.assertEqual(0, len(target.attrs))
 
diff --git a/xsdata/codegen/handlers/validate_attributes_overrides.py b/xsdata/codegen/handlers/validate_attributes_overrides.py
index ae73cc1b..9e93bfc9 100644
--- a/xsdata/codegen/handlers/validate_attributes_overrides.py
+++ b/xsdata/codegen/handlers/validate_attributes_overrides.py
@@ -60,8 +60,8 @@ def validate_override(cls, target: Class, attr: Attr, source_attr: Attr):
             and bool_eq(attr.mixed, source_attr.mixed)
             and bool_eq(attr.restrictions.tokens, source_attr.restrictions.tokens)
             and bool_eq(attr.restrictions.nillable, source_attr.restrictions.nillable)
-            and bool_eq(attr.restrictions.is_optional, source_attr.restrictions.is_optional)
-            and bool_eq(attr.restrictions.is_prohibited, source_attr.restrictions.is_prohibited)
+            and bool_eq(attr.is_prohibited, source_attr.is_prohibited)
+            and bool_eq(attr.is_optional, source_attr.is_optional)
         ):
             cls.remove_attribute(target, attr)