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

diff --git a/lib/realtime.nit b/lib/realtime.nit
index 6e312ef..5a9571d 100644
--- a/lib/realtime.nit
+++ b/lib/realtime.nit
@@ -121,6 +121,7 @@ end
 
 # Keeps track of real time
 class Clock
+	super FinalizableOnce
 
 	# TODO use less mallocs
 
@@ -181,4 +182,10 @@ class Clock
 		dt.free
 		return r
 	end
+
+	redef fun finalize_once
+	do
+		time_at_beginning.free
+		time_at_last_lapse.free
+	end
 end