diff --git a/odoo/addons/base/models/ir_ui_view.py b/odoo/addons/base/models/ir_ui_view.py
index 48d051a24c2..dd3b9391db9 100644
--- a/odoo/addons/base/models/ir_ui_view.py
+++ b/odoo/addons/base/models/ir_ui_view.py
@@ -84,6 +84,9 @@ def transfer_node_to_modifiers(node, modifiers):
     attrs = node.attrib.pop('attrs', None)
     if attrs:
         modifiers.update(ast.literal_eval(attrs.strip()))
+        for a in ('invisible', 'readonly', 'required'):
+            if a in modifiers and isinstance(modifiers[a], int):
+                modifiers[a] = bool(modifiers[a])
 
     states = node.attrib.pop('states', None)
     if states:
diff --git a/odoo/addons/base/tests/test_views.py b/odoo/addons/base/tests/test_views.py
index 4ee19f5d3b6..15ac8377fe7 100644
--- a/odoo/addons/base/tests/test_views.py
+++ b/odoo/addons/base/tests/test_views.py
@@ -1792,7 +1792,7 @@ class TestViews(ViewCase):
                 node = etree.fromstring(what) if isinstance(what, str) else what
                 transfer_node_to_modifiers(node, modifiers)
             simplify_modifiers(modifiers)
-            assert modifiers == expected, "%s != %s" % (modifiers, expected)
+            assert str(modifiers) == str(expected), "%s != %s" % (modifiers, expected)
 
         _test_modifiers('<field name="a"/>', {})
         _test_modifiers('<field name="a" invisible="1"/>', {"invisible": True})
@@ -1801,6 +1801,14 @@ class TestViews(ViewCase):
         _test_modifiers('<field name="a" invisible="0"/>', {})
         _test_modifiers('<field name="a" readonly="0"/>', {})
         _test_modifiers('<field name="a" required="0"/>', {})
+        _test_modifiers(
+            """<field name="a" attrs="{'readonly': 1}"/>""",
+            {"readonly": True},
+        )
+        _test_modifiers(
+            """<field name="a" attrs="{'readonly': 0}"/>""",
+            {},
+        )
         # TODO: Order is not guaranteed
         _test_modifiers(
             '<field name="a" invisible="1" required="1"/>',