diff --git a/Preconditions.java b/Preconditions.java
index c7f01a2..3c272e3 100644
--- a/Preconditions.java
+++ b/Preconditions.java
@@ -1,4 +1,4 @@
-package ch.epfl.javass;
+package javass;
 
 /**
  * Gives a set of function to test conditions.