diff --git a/docs/meli.conf.5 b/docs/meli.conf.5
index 5984b40f..4d8fc741 100644
--- a/docs/meli.conf.5
+++ b/docs/meli.conf.5
@@ -680,6 +680,14 @@ Search within list of e-mails.
 Toggle visibility of side menu in mail list.
 .\" default value
 .Pq Em `
+.It Ic increase_sidebar
+Increase sidebar width.
+.\" default value
+.Pq Em Ctrl-p
+.It Ic decrease_sidebar
+Decrease sidebar width.
+.\" default value
+.Pq Em Ctrl-o
 .El
 .sp
 .Em compact-listing
diff --git a/src/components/mail/listing.rs b/src/components/mail/listing.rs
index 9a95a6d6..1cd5c0e6 100644
--- a/src/components/mail/listing.rs
+++ b/src/components/mail/listing.rs
@@ -1031,6 +1031,24 @@ impl Component for Listing {
                     self.menu_visibility = !self.menu_visibility;
                     self.set_dirty(true);
                 }
+                UIEvent::Input(ref k)
+                    if shortcut!(k == shortcuts[Listing::DESCRIPTION]["increase_sidebar"]) =>
+                {
+                    self.ratio = self.ratio.saturating_sub(2);
+                    self.prev_ratio = self.prev_ratio.saturating_sub(2);
+                    self.menu_width = WidgetWidth::Unset;
+                    self.set_dirty(true);
+                }
+                UIEvent::Input(ref k)
+                    if shortcut!(k == shortcuts[Listing::DESCRIPTION]["decrease_sidebar"]) =>
+                {
+                    self.ratio += 2;
+                    self.ratio = std::cmp::min(100, self.ratio);
+                    self.prev_ratio += 2;
+                    self.prev_ratio = std::cmp::min(100, self.prev_ratio);
+                    self.menu_width = WidgetWidth::Unset;
+                    self.set_dirty(true);
+                }
                 _ => {}
             }
 
diff --git a/src/conf/shortcuts.rs b/src/conf/shortcuts.rs
index 245ab318..f82aee82 100644
--- a/src/conf/shortcuts.rs
+++ b/src/conf/shortcuts.rs
@@ -184,6 +184,8 @@ shortcut_key_values! { "listing",
         diff_modifier |> "Difference modifier." |> Key::Ctrl('d'),
         intersection_modifier |> "Intersection modifier." |> Key::Ctrl('i'),
         select_entry |> "Select thread entry." |> Key::Char('v'),
+        increase_sidebar |> "Increase sidebar width." |> Key::Ctrl('p'),
+        decrease_sidebar |> "Decrease sidebar width." |> Key::Ctrl('o'),
         toggle_menu_visibility |> "Toggle visibility of side menu in mail list." |> Key::Char('`')
     }
 }