diff --git a/data/com.github.stsdc.monitor.gschema.xml b/data/com.github.stsdc.monitor.gschema.xml
index a242f8ff..dd366b6b 100644
--- a/data/com.github.stsdc.monitor.gschema.xml
+++ b/data/com.github.stsdc.monitor.gschema.xml
@@ -90,10 +90,15 @@
       <summary>Update time</summary>
       <description>This value sets update time for updating data and charts.</description>
     </key>
-        <key type='b' name="containers-view-state">
+    <key type='b' name="containers-view-state">
       <default>false</default>
       <summary>To show Containers view or not</summary>
       <description>To show Containers view or not</description>
     </key>
+    <key type='b' name="flatpak-infobar-state">
+      <default>true</default>
+      <summary>To show Flatpak infobar or not</summary>
+      <description>To show Flatpak infobar or not</description>
+    </key>
   </schema>
 </schemalist>
diff --git a/src/MainWindow.vala b/src/MainWindow.vala
index 5c620623..86c51feb 100644
--- a/src/MainWindow.vala
+++ b/src/MainWindow.vala
@@ -60,7 +60,23 @@ public class Monitor.MainWindow : Hdy.ApplicationWindow {
             orientation = Gtk.Orientation.VERTICAL
         };
 
+        var flatpak_infobar = new Gtk.InfoBar ();
+        flatpak_infobar.message_type = Gtk.MessageType.WARNING;
+        flatpak_infobar.revealed = MonitorApp.settings.get_boolean ("flatpak-infobar-state");
+        var button = new Gtk.Button.with_label("Hide");
+        button.margin_start = 20;
+        button.hexpand = true;
+        button.halign = Gtk.Align.END;
+        flatpak_infobar.get_content_area ().add (new Gtk.Label (_("Some of Monitor features are limited by Flatpak environment.")));
+        flatpak_infobar.get_content_area ().add (new Gtk.LinkButton.with_label ("https://github.com/stsdc/monitor", _("Try native.")));
+        flatpak_infobar.get_content_area ().add (button);
+        button.clicked.connect(() => {
+            flatpak_infobar.revealed = false;
+            MonitorApp.settings.set_boolean ("flatpak-infobar-state", false);
+        });
+
         grid.add (headerbar);
+        if (ProcessUtils.is_flatpak_env ()) grid.add (flatpak_infobar);
         grid.add (stack);
         grid.add (statusbar);
 
diff --git a/src/Managers/Process.vala b/src/Managers/Process.vala
index b59db33b..b21edc0a 100644
--- a/src/Managers/Process.vala
+++ b/src/Managers/Process.vala
@@ -100,10 +100,10 @@ public class Monitor.Process : GLib.Object {
             var process_provider = ProcessProvider.get_default ();
             string ? status = process_provider.pids_status.get (this.stat.pid);
             var status_line = status.split ("\n");
-            
+
             int uid = int.parse (status_line[8].split ("\t")[1]);
 
-            //  @TODO parse users file instead
+            // @TODO parse users file instead
             if (uid == 0) username = "root";
             return uid;