diff --git a/app/views/admin/societes/_societe.html.haml b/app/views/admin/societes/_societe.html.haml
index 42c5322..a6cec21 100644
--- a/app/views/admin/societes/_societe.html.haml
+++ b/app/views/admin/societes/_societe.html.haml
@@ -17,7 +17,7 @@
     =number_to_currency(valeur)
     
   %td.numeraire
-    =number_to_currency valeur *(societe.ac_rate / 100.0)
+    =number_to_currency valeur *(societe.ac_rate.to_f / 100.0)
 
   %td.numeraire
     =societe.seuils.count