diff --git a/_calcul_dates.html b/_calcul_dates.html
index 035e70e..e4dd864 100644
--- a/_calcul_dates.html
+++ b/_calcul_dates.html
@@ -9,9 +9,4 @@
 
 {{:assign ts_debut=$date_debut|strtotime}}
 {{:assign ts_fin=$date_fin|strtotime}}
-
-{{if $ts_debut <= $ts_fin}}
-	{{:assign nbjours="1+(%d-%d)/(60*60*24)"|math:$ts_fin:$ts_debut}}
-{{else}}
-	{{:assign nbjours="1+(%d-%d)/(60*60*24)"|math:$ts_debut:$ts_fin}}
-{{/if}}
+{{:assign nbjours="1+abs(%d-%d)/(60*60*24)"|math:$ts_fin:$ts_debut}}