diff --git a/mouvements/modifier_mouvement.html b/mouvements/modifier_mouvement.html
index 7442c34..a41c57d 100644
--- a/mouvements/modifier_mouvement.html
+++ b/mouvements/modifier_mouvement.html
@@ -54,7 +54,7 @@
 
 	{{* préparer le mouvement modifié *}}
 	{{if $mvt_new.direction == "input"}}
-		{{:assign var="mvt_new.input_nature" value=$_POST.operation}}
+		{{:assign var="mvt_new.operation" value=$_POST.operation}}
 		{{:assign var="type_mvt" from="config.input_nature.%s.type"|args:$mvt_new.operation}}
 		{{if $type_mvt == "temporaire"}}
 			{{:assign prop=0}}
@@ -62,7 +62,7 @@
 			{{:assign prop=1}}
 		{{/if}}
 	{{else}}
-		{{:assign var="mvt_new.output_nature" value=$_POST.operation}}
+		{{:assign var="mvt_new.operation" value=$_POST.operation}}
 		{{:assign var="type_mvt" from="config.output_nature.%s.type"|args:$mvt_new.operation}}
 		{{if $type_mvt == "retour"}}
 			{{:assign prop=0}}