diff --git a/examen.py b/examen.py
index 52766ce6e315c2871728b0bddadc217f45e19e7b..928408afe65333dd8aadd77e397c104df74555cc 100644
--- a/examen.py
+++ b/examen.py
@@ -8,6 +8,8 @@ class TabletteChocolat:
     n : nombres de colonnes int
     """
     def __init__(self, m, n):
+        if type(m) != int or type(n) != int:
+            raise TypeError
         self.m = m
         self.n = n