diff --git a/2024/tp4_reseau/NetIf.qml b/2024/tp4_reseau/NetIf.qml
index 2a14451..2484bc8 100644
--- a/2024/tp4_reseau/NetIf.qml
+++ b/2024/tp4_reseau/NetIf.qml
@@ -1,11 +1,12 @@
 import QtQuick 2.15
 import QtQuick.Controls 2.15
+import trump.hatesScience 1.0
 
 
 Row {
     property alias name: name.text
     property alias address: address.text
-
+    property NetworkInterface iface
 
     spacing: 40
     Text {
@@ -21,7 +22,10 @@ Row {
 
     Button {
         text: "Shutdown"
-        onClicked: { netint.shutdown() }
+        onClicked: {
+            console.log("Sutting down")
+            parent.iface.shutdown()
+        }
         anchors.verticalCenter: parent.verticalCenter
     }
 }
diff --git a/2024/tp4_reseau/main.cpp b/2024/tp4_reseau/main.cpp
index 59cd1fe..f77ee72 100644
--- a/2024/tp4_reseau/main.cpp
+++ b/2024/tp4_reseau/main.cpp
@@ -24,6 +24,9 @@ int main(int argc, char *argv[])
         Qt::QueuedConnection);
 
     NetworkInterface ni{3};
+    qmlRegisterUncreatableType<NetworkInterface>("trump.hatesScience",1,0,
+                                                 "NetworkInterface",
+                                                 "Don't build NetworkInterface from QML");
     engine.rootContext()->setContextProperty("netint", &ni);
 
     engine.load(url);
diff --git a/2024/tp4_reseau/main.qml b/2024/tp4_reseau/main.qml
index 3fbd731..30ee661 100644
--- a/2024/tp4_reseau/main.qml
+++ b/2024/tp4_reseau/main.qml
@@ -12,6 +12,7 @@ Window {
     NetIf {
         name: netint.name
         address: netint.address
+        iface: netint
     }
 
 }