X-Git-Url: http://nitlanguage.org

diff --git a/src/metamodel/partial_order.nit b/src/metamodel/partial_order.nit
index 013ca4b..42a0525 100644
--- a/src/metamodel/partial_order.nit
+++ b/src/metamodel/partial_order.nit
@@ -226,7 +226,7 @@ class PartialOrderElement[E]
 	end
 	
 	# Cached value of _order.length to validade smallers_cache
-	attr _smallers_last_length: Int
+	attr _smallers_last_length: Int = 0
 
 	# Cached result of smallers
 	attr _smallers_cache: Set[E]