diff --git a/_immobilisations.html b/_immobilisations.html
index f26b23f..00d2c40 100644
--- a/_immobilisations.html
+++ b/_immobilisations.html
@@ -174,12 +174,14 @@
 				<td class="money">{{"%d-%d"|math:$montant_immo:$amort_amount|money_html:false|raw}}</td>
 				<td><a href={{$compte_url}}>{{$account_code}}</a></td>
 				<td class="actions">
-					{{:linkbutton
-						label="Paramètres"
-						href="add_infos.html?immo_id=%s&type_immo=%s"|args:$immo_line_id:$type_immo
-						shape="settings"
-						target="_dialog"
-					}}
+					{{if ! $exist_amort || $status == "unknown"}}
+						{{:linkbutton
+							label="Paramètres"
+							href="add_infos.html?immo_id=%s&type_immo=%s"|args:$immo_line_id:$type_immo
+							shape="settings"
+							target="_dialog"
+						}}
+					{{/if}}
 					{{:linkbutton
 						label="Amortissements"
 						href="amortization.html?immo_id=%s&type_immo=%s"|args:$immo_line_id:$type_immo
diff --git a/_nav.html b/_nav.html
index a7894b5..2192b2e 100644
--- a/_nav.html
+++ b/_nav.html
@@ -3,7 +3,7 @@
 <nav class="tabs">
 	{{if $current == "index" && $subsubcurrent == null}}
 		<aside>
-			{{:linkbutton label="Ajouter une immobilisation" shape="plus" href="add_asset.html" target="_dialog"}}
+			{{:linkbutton label="Ajouter une immobilisation" shape="plus" href="add_asset.html"}}
 		</aside>
 	{{elseif $subsubcurrent == "amortization" && $type_immo == null || $type_immo == "managed" || $type_immo == "other"}}
 		<aside>
@@ -11,7 +11,7 @@
 				{{:linkbutton label="Rattacher une écriture" href="other_amortizations.html?immo_id=%s"|args:$_GET.immo_id shape="link" target="_dialog"}}
 			{{/if}}
 			{{:linkbutton label="Enregistrer un amortissement" shape="plus"
-				href="save_amort.html?immo_id=%s"|args:$_GET.immo_id target="_dialog"}}
+				href="save_amort.html?immo_id=%s"|args:$_GET.immo_id}}
 			</aside>
 	{{/if}}
 
diff --git a/add_asset.html b/add_asset.html
index 9648331..a1f0c10 100644
--- a/add_asset.html
+++ b/add_asset.html
@@ -160,7 +160,7 @@
 {{:admin_header title="Ajout immobilisation" current="module_amortization"}}
 {{* barre de navigation *}}
 {{if ! $dialog}}
-	{{:include file="_nav.html" current="index"}}
+	{{:include file="_nav.html" current="index" subcurrent="managed"}}
 {{/if}}
 
 {{:form_errors}}