diff --git a/test/test_option.py b/test/test_option.py
index e7039dd..4b77356 100644
--- a/test/test_option.py
+++ b/test/test_option.py
@@ -120,3 +120,16 @@ def test_asign_optiondescription():
     api = Config(od2)
     raises(APIError, "api.option('od').value.set('test')")
     raises(APIError, "api.option('od').value.reset()")
+
+
+def test_intoption():
+    i1 = IntOption('test1', 'description', min_number=3)
+    i2 = IntOption('test2', 'description', max_number=3)
+    od = OptionDescription('od', '', [i1, i2])
+    cfg = Config(od)
+    raises(ValueError, "cfg.option('test1').value.set(2)")
+    cfg.option('test1').value.set(3)
+    cfg.option('test1').value.set(4)
+    cfg.option('test2').value.set(2)
+    cfg.option('test2').value.set(3)
+    raises(ValueError, "cfg.option('test2').value.set(4)")
diff --git a/tiramisu/option/intoption.py b/tiramisu/option/intoption.py
index b895502..ec48b9e 100644
--- a/tiramisu/option/intoption.py
+++ b/tiramisu/option/intoption.py
@@ -39,7 +39,7 @@ class IntOption(Option):
         if min_number is not None:
             extra['min_number'] = min_number
         if max_number is not None:
-            extra['max_number'] = min_number
+            extra['max_number'] = max_number
         super().__init__(name, extra=extra, *args, **kwargs)
 
 
@@ -50,8 +50,8 @@ class IntOption(Option):
         if not isinstance(value, int):
             raise ValueError()
         min_number = self._get_extra('min_number')
-        if min_number and value < min_number:
+        if min_number is not None and value < min_number:
             raise ValueError(_('value must be greater than "{0}"'.format(min_number)))
         max_number = self._get_extra('max_number')
-        if max_number and value > max_number:
+        if max_number is not None and value > max_number:
             raise ValueError(_('value must be less than "{0}"'.format(max_number)))