diff --git a/data/resources/icons/scalable/status/padlock2-symbolic.svg b/data/resources/icons/scalable/status/padlock2-symbolic.svg
new file mode 100644
index 000000000..8403823ea
--- /dev/null
+++ b/data/resources/icons/scalable/status/padlock2-symbolic.svg
@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="16px" viewBox="0 0 16 16" width="16px"><filter id="a" height="100%" width="100%" x="0%" y="0%"><feColorMatrix color-interpolation-filters="sRGB" values="0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0"/></filter><mask id="b"><g filter="url(#a)"><path d="m -1.6 -1.6 h 19.2 v 19.2 h -19.2 z" fill-opacity="0.5"/></g></mask><clipPath id="c"><path d="m 0 0 h 1600 v 1200 h -1600 z"/></clipPath><mask id="d"><g filter="url(#a)"><path d="m -1.6 -1.6 h 19.2 v 19.2 h -19.2 z" fill-opacity="0.7"/></g></mask><clipPath id="e"><path d="m 0 0 h 1600 v 1200 h -1600 z"/></clipPath><mask id="f"><g filter="url(#a)"><path d="m -1.6 -1.6 h 19.2 v 19.2 h -19.2 z" fill-opacity="0.35"/></g></mask><clipPath id="g"><path d="m 0 0 h 1600 v 1200 h -1600 z"/></clipPath><g mask="url(#b)"><g clip-path="url(#c)" transform="matrix(1 0 0 1 -40 -416)"><path d="m 550 182 c -0.351562 0.003906 -0.695312 0.101562 -1 0.28125 v 3.4375 c 0.304688 0.179688 0.648438 0.277344 1 0.28125 c 1.105469 0 2 -0.894531 2 -2 s -0.894531 -2 -2 -2 z m 0 5 c -0.339844 0 -0.679688 0.058594 -1 0.175781 v 6.824219 h 4 v -4 c 0 -1.65625 -1.34375 -3 -3 -3 z m 0 0"/></g></g><g mask="url(#d)"><g clip-path="url(#e)" transform="matrix(1 0 0 1 -40 -416)"><path d="m 569 182 v 4 c 1.105469 0 2 -0.894531 2 -2 s -0.894531 -2 -2 -2 z m 0 5 v 7 h 3 v -4 c 0 -1.65625 -1.34375 -3 -3 -3 z m 0 0"/></g></g><g mask="url(#f)"><g clip-path="url(#g)" transform="matrix(1 0 0 1 -40 -416)"><path d="m 573 182.269531 v 3.449219 c 0.613281 -0.355469 0.996094 -1.007812 1 -1.71875 c 0 -0.714844 -0.382812 -1.375 -1 -1.730469 z m 0 4.90625 v 6.824219 h 2 v -4 c 0 -1.269531 -0.800781 -2.402344 -2 -2.824219 z m 0 0"/></g></g><path d="m 8 1 c -2.199219 0 -4 1.800781 -4 4 v 2 c -1.109375 0 -2 0.890625 -2 2 v 5 c 0 0.554688 0.445312 1 1 1 h 10 c 0.554688 0 1 -0.445312 1 -1 v -5 c 0 -1.109375 -0.890625 -2 -2 -2 v -2 c 0 -2.199219 -1.800781 -4 -4 -4 z m 0 2 c 1.125 0 2 0.875 2 2 v 2 h -4 v -2 c 0 -1.125 0.875 -2 2 -2 z m 0 0" fill="#2e3436"/></svg>
diff --git a/data/resources/resources.gresource.xml b/data/resources/resources.gresource.xml
index 2f0828c66..76b9cd67d 100644
--- a/data/resources/resources.gresource.xml
+++ b/data/resources/resources.gresource.xml
@@ -16,6 +16,7 @@
     <file preprocess="xml-stripblanks">icons/scalable/status/message-read-symbolic.svg</file>
     <file preprocess="xml-stripblanks">icons/scalable/status/message-unread-left-symbolic.svg</file>
     <file preprocess="xml-stripblanks">icons/scalable/status/message-unread-right-symbolic.svg</file>
+    <file preprocess="xml-stripblanks">icons/scalable/status/padlock2-symbolic.svg</file>
 
     <file compressed="true">images/pattern.svg</file>
 
diff --git a/src/ui/session/content/chat_history.rs b/src/ui/session/content/chat_history.rs
index cae99edf9..137e3bcf2 100644
--- a/src/ui/session/content/chat_history.rs
+++ b/src/ui/session/content/chat_history.rs
@@ -29,6 +29,7 @@ mod imp {
         pub(super) is_auto_scrolling: Cell<bool>,
         pub(super) is_loading_messages: Cell<bool>,
         pub(super) sticky: Cell<bool>,
+        pub(super) is_secret_chat: Cell<bool>,
         #[template_child]
         pub(super) window_title: TemplateChild<adw::WindowTitle>,
         #[template_child]
@@ -92,6 +93,9 @@ mod imp {
                     glib::ParamSpecBoolean::builder("sticky")
                         .read_only()
                         .build(),
+                    glib::ParamSpecBoolean::builder("is-secret-chat")
+                        .read_only()
+                        .build(),
                 ]
             });
             PROPERTIES.as_ref()
@@ -106,6 +110,7 @@ mod imp {
                     obj.set_chat(chat);
                 }
                 "sticky" => obj.set_sticky(value.get().unwrap()),
+                "is_secret_chat" => obj.set_is_secret_chat(value.get().unwrap()),
                 _ => unimplemented!(),
             }
         }
@@ -116,6 +121,7 @@ mod imp {
             match pspec.name() {
                 "chat" => obj.chat().to_value(),
                 "sticky" => obj.sticky().to_value(),
+                "is-secret-chat" => obj.is_secret_chat().to_value(),
                 _ => unimplemented!(),
             }
         }
@@ -311,6 +317,15 @@ impl ChatHistory {
         let imp = self.imp();
 
         if let Some(chat) = chat {
+            match chat.chat_type() {
+                model::ChatType::Secret(_) => {
+                    self.set_is_secret_chat(true);
+                }
+                _ => {
+                    self.set_is_secret_chat(false);
+                }
+            }
+
             self.action_set_enabled(
                 "chat-history.leave-chat",
                 match chat.chat_type() {
@@ -412,6 +427,19 @@ impl ChatHistory {
         self.notify("sticky");
     }
 
+    pub(crate) fn is_secret_chat(&self) -> bool {
+        self.imp().is_secret_chat.get()
+    }
+
+    fn set_is_secret_chat(&self, is_secret_chat: bool) {
+        if self.is_secret_chat() == is_secret_chat {
+            return;
+        }
+
+        self.imp().is_secret_chat.set(is_secret_chat);
+        self.notify("is-secret-chat");
+    }
+
     fn scroll_down(&self) {
         let imp = self.imp();
 
diff --git a/src/ui/session/content/chat_history.ui b/src/ui/session/content/chat_history.ui
index 34d78ac31..909d47750 100644
--- a/src/ui/session/content/chat_history.ui
+++ b/src/ui/session/content/chat_history.ui
@@ -9,7 +9,18 @@
             <child>
               <object class="AdwHeaderBar">
                 <child type="title">
-                  <object class="AdwWindowTitle" id="window_title"/>
+                  <object class="GtkBox">
+                    <child>
+                      <object class="GtkImage">
+                        <property name="visible" bind-source="PaplChatHistory"
+                          bind-property="is-secret-chat" bind-flags="sync-create" />
+                        <property name="icon-name">padlock2-symbolic</property>
+                      </object>
+                    </child>
+                    <child>
+                      <object class="AdwWindowTitle" id="window_title"/>
+                    </child>
+                  </object>
                 </child>
                 <child type="end">
                   <object class="GtkMenuButton">
diff --git a/src/ui/session/sidebar/row.blp b/src/ui/session/sidebar/row.blp
index 3cfbab870..7cd39c6a0 100644
--- a/src/ui/session/sidebar/row.blp
+++ b/src/ui/session/sidebar/row.blp
@@ -28,6 +28,8 @@ template $PaplSidebarRow {
     Box {
       spacing: 6;
 
+      Image secret_chat_icon {}
+
       Inscription title_label {
         hexpand: true;
         text-overflow: ellipsize_end;
diff --git a/src/ui/session/sidebar/row.rs b/src/ui/session/sidebar/row.rs
index f6ca2beaf..6db9f1ea0 100644
--- a/src/ui/session/sidebar/row.rs
+++ b/src/ui/session/sidebar/row.rs
@@ -27,6 +27,8 @@ mod imp {
         pub(super) chat_signal_group: OnceCell<glib::SignalGroup>,
         pub(super) session_signal_group: OnceCell<glib::SignalGroup>,
         #[template_child]
+        pub(super) secret_chat_icon: TemplateChild<gtk::Image>,
+        #[template_child]
         pub(super) title_label: TemplateChild<gtk::Inscription>,
         #[template_child]
         pub(super) message_status_icon: TemplateChild<gtk::Image>,
@@ -368,6 +370,7 @@ impl Row {
         self.update_status_stack();
         self.update_unread_count_style();
         self.update_actions();
+        self.update_secret_chat_style();
 
         self.notify("item");
     }
@@ -580,6 +583,26 @@ impl Row {
         }
     }
 
+    fn update_secret_chat_style(&self) {
+        if let Some(item) = self.item() {
+            let imp = self.imp();
+            let chat = item.chat_();
+            let icon = &imp.secret_chat_icon;
+            match chat.chat_type() {
+                model::ChatType::Secret(_) => {
+                    icon.set_icon_name(Some("padlock2-symbolic"));
+                    icon.set_css_classes(&["accent"]);
+                    icon.set_visible(true);
+                    let title_label = &imp.title_label;
+                    title_label.set_css_classes(&["accent"]);
+                }
+                _ => {
+                    icon.set_visible(false);
+                }
+            }
+        }
+    }
+
     fn update_archive_actions(&self, archive: bool, unarchive: bool) {
         self.action_set_enabled("sidebar-row.archive", archive);
         self.action_set_enabled("sidebar-row.unarchive", unarchive);