diff --git a/data/fr.oupson.FooTerm.appdata.xml.in b/data/fr.oupson.FooTerm.appdata.xml.in
index b7beca3..5fb9825 100644
--- a/data/fr.oupson.FooTerm.appdata.xml.in
+++ b/data/fr.oupson.FooTerm.appdata.xml.in
@@ -1,9 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <component type="desktop">
-	<id>fr.oupson.FooTerm.desktop</id>
-	<metadata_license>CC0-1.0</metadata_license>
-	<project_license>GPL-3.0-or-later</project_license>
-	<description>
-	  <p>No description</p>
-	</description>
+  <id>fr.oupson.FooTerm.desktop</id>
+  <metadata_license>CC0-1.0</metadata_license>
+  <project_license>GPL-3.0-or-later</project_license>
+  <url type="homepage">https://github.com/oupson/FooTerm</url>
+  <description>
+    <p>No description</p>
+  </description>
 </component>
diff --git a/fr.oupson.FooTerm.json b/fr.oupson.FooTerm.json
index 8103744..8d37814 100644
--- a/fr.oupson.FooTerm.json
+++ b/fr.oupson.FooTerm.json
@@ -1,7 +1,7 @@
 {
     "app-id" : "fr.oupson.FooTerm",
     "runtime" : "org.gnome.Platform",
-    "runtime-version" : "43",
+    "runtime-version" : "44",
     "sdk" : "org.gnome.Sdk",
     "sdk-extensions" : [
         "org.freedesktop.Sdk.Extension.vala"
@@ -35,7 +35,7 @@
     	{
 	      "name": "vte",
 	      "buildsystem": "meson",
-	      "config-opts": ["-Dgtk4=true", "-Dgtk3=false", "-Dsixel=true"],
+	      "config-opts": ["-Dgtk4=true", "-Dgtk3=false", "-Dsixel=true", "--buildtype=debug"],
 	      "sources": [
 	        {
 	          "type": "archive",
diff --git a/src/terminalpane.vala b/src/terminalpane.vala
index c5f0e17..eabf01e 100644
--- a/src/terminalpane.vala
+++ b/src/terminalpane.vala
@@ -29,6 +29,7 @@ namespace Footerm {
         private SocketConnection? socket = null;
         private IOChannel? slave_channel = null;
         private SocketSource? socket_source = null;
+        private Source? slave_source = null;
 
         private Cancellable cancel = new Cancellable();
 
@@ -43,6 +44,10 @@ namespace Footerm {
             this.configure_terminal();
         }
 
+        ~TerminalPane() {
+            debug("finally");
+        }
+
         public void connect_to_server_async(Footerm.Model.Server server) {
             this.server = server;
 
@@ -58,6 +63,9 @@ namespace Footerm {
         public async void disconnect_from_server() {
             debug("Disconnecting ...");
             if (this.session != null) {
+                this.slave_source.destroy();
+                this.slave_source = null;
+
                 this.socket_source.destroy();
                 this.socket_source = null;