diff --git a/global_history.html b/global_history.html
index a6ef606..726075e 100644
--- a/global_history.html
+++ b/global_history.html
@@ -32,6 +32,17 @@
 	}}
 </fieldset>
 
+{{* condition de filtrage *}}
+{{if $_GET.cat_key != null}}
+	{{:assign condition="(SELECT key
+			FROM @TABLE AS cat
+			WHERE cat.key = (SELECT $$.category
+								FROM @TABLE AS mat
+								WHERE mat.key = @TABLE.$$.equipment)) = '%s'"|args:$_GET.cat_key}}
+{{else}}
+	{{:assign condition=1}}
+{{/if}}
+
 {{* lister tous les mouvements *}}
 {{#list
 	type="movement"
@@ -52,17 +63,11 @@
 			END as 'Stockage';
 		$$.comment AS 'Commentaire'
 	"|args:$config.user_fields.name_sql
+	where="%s"|args:$condition
 	order=1
+	max=50
 	desc=true
 }}
-	{{* filtrer selon la catégorie *}}
-	{{#load key=$equipment}}
-		{{:assign cat_key=$category}}
-	{{/load}}
-	{{if $_GET.cat_key != null && $cat_key != $_GET.cat_key}}
-		{{:continue}}
-	{{/if}}
-
 	{{:assign var="op_label" from="config.%s_nature.%s.label"|args:$direction:$operation}}
 	<tr>
 		<td>{{$date|date_short}}</td>