diff --git a/tiramisu_json_api/api.py b/tiramisu_json_api/api.py
index c620fe4..df44d37 100644
--- a/tiramisu_json_api/api.py
+++ b/tiramisu_json_api/api.py
@@ -8,6 +8,11 @@ from .setting import undefined
 from .i18n import _
 
 
+
+TYPE = {'boolean': bool,
+        'number': int,
+        'string': str}
+
 class Option:
     # fake Option (IntOption, StrOption, ...)
     def __init__(self,
@@ -237,6 +242,11 @@ class TiramisuOptionValue(_Value):
         return self.schema['enum']
 
     def set(self, value):
+        if self.schema['type'] == 'choice':
+            if value not in self.schema['enum']:
+                raise Exception('value {} is not in {}'.format(value, self.schema['enum']))
+        elif not isinstance(value, TYPE[self.schema['type']]):
+            raise Exception('value {} is not a valid {} '.format(value, self.schema['type']))
         self.config.modify_value(self.path,
                                  self.index,
                                  value,