diff --git a/src/interactive/app/eventloop.rs b/src/interactive/app/eventloop.rs
index fb14cff..ffb4b65 100644
--- a/src/interactive/app/eventloop.rs
+++ b/src/interactive/app/eventloop.rs
@@ -220,6 +220,11 @@ impl AppState {
         EntryCheck::new(self.scan.is_some(), self.allow_entry_check)
     }
 
+    fn toggle_ui_split(
+        &mut self,
+    ) {
+        self.ui_split = !self.ui_split;
+    }
     fn process_terminal_event<B>(
         &mut self,
         window: &mut MainWindow,
@@ -273,6 +278,9 @@ impl AppState {
                     return Ok(Some(result?));
                 }
             }
+            Char('U') => {
+                self.toggle_ui_split();
+            }
             _ => {
                 handled = false;
             }
diff --git a/src/interactive/app/state.rs b/src/interactive/app/state.rs
index 3a0da28..b660989 100644
--- a/src/interactive/app/state.rs
+++ b/src/interactive/app/state.rs
@@ -46,6 +46,8 @@ pub struct AppState {
     pub root_paths: Vec<PathBuf>,
     /// If true, listed entries will be validated for presence when switching directories.
     pub allow_entry_check: bool,
+    /// If true, marking files splits to the bottom rather than the right
+    pub ui_split: bool,
 }
 
 impl AppState {
@@ -64,6 +66,7 @@ impl AppState {
             walk_options,
             root_paths: input,
             allow_entry_check: true,
+            ui_split: false,
         }
     }
 }
diff --git a/src/interactive/widgets/entries.rs b/src/interactive/widgets/entries.rs
index f2dbef5..ec6a7b6 100644
--- a/src/interactive/widgets/entries.rs
+++ b/src/interactive/widgets/entries.rs
@@ -192,7 +192,7 @@ fn title(
 
 fn draw_bottom_right_help(bound: Rect, buf: &mut Buffer) {
     let bound = line_bound(bound, bound.height.saturating_sub(1) as usize);
-    let help_text = " mark-move = d | mark-toggle = space | toggle-all = a ";
+    let help_text = " mark-move = d | mark-toggle = space | toggle-all = a";
     let help_text_block_width = block_width(help_text);
     if help_text_block_width <= bound.width {
         draw_text_nowrap_fn(
diff --git a/src/interactive/widgets/help.rs b/src/interactive/widgets/help.rs
index 054a386..178387d 100644
--- a/src/interactive/widgets/help.rs
+++ b/src/interactive/widgets/help.rs
@@ -179,6 +179,7 @@ impl HelpPane {
                 );
                 hotkey("<Space>", "Toggle the currently selected entry.", None);
                 hotkey("a", "Toggle all entries.", None);
+                hotkey("U", "Toggle UI split Vertical/Horizontal.", None);
                 hotkey(
                     "/",
                     "Git-style glob search, case-insensitive.",
diff --git a/src/interactive/widgets/main.rs b/src/interactive/widgets/main.rs
index 11cf277..69d098d 100644
--- a/src/interactive/widgets/main.rs
+++ b/src/interactive/widgets/main.rs
@@ -59,12 +59,12 @@ impl MainWindow {
         Header.render(header_bg_color, header_area, buffer);
 
         let (entries_area, help_pane, mark_pane) = {
-            let (left_pane, right_pane) = content_layout(content_area);
+            let (left_pane, right_pane) = content_layout(content_area, state.ui_split);
             match (&mut self.help_pane, &mut self.mark_pane) {
                 (Some(ref mut pane), None) => (left_pane, Some((right_pane, pane)), None),
                 (None, Some(ref mut pane)) => (left_pane, None, Some((right_pane, pane))),
                 (Some(ref mut help), Some(ref mut mark)) => {
-                    let (top_area, bottom_area) = right_pane_layout(right_pane);
+                    let (top_area, bottom_area) = right_pane_layout(right_pane, state.ui_split);
                     (left_pane, Some((top_area, help)), Some((bottom_area, mark)))
                 }
                 (None, None) => (content_area, None, None),
@@ -143,17 +143,17 @@ impl MainWindow {
     }
 }
 
-fn right_pane_layout(right_pane: Rect) -> (Rect, Rect) {
+fn right_pane_layout(right_pane: Rect, ui_split: bool) -> (Rect, Rect) {
     let regions = Layout::default()
-        .direction(Direction::Vertical)
+        .direction(if ui_split { Direction::Horizontal } else {Direction::Vertical})
         .constraints([Percentage(50), Percentage(50)].as_ref())
         .split(right_pane);
     (regions[0], regions[1])
 }
 
-fn content_layout(content_area: Rect) -> (Rect, Rect) {
+fn content_layout(content_area: Rect, ui_split: bool) -> (Rect, Rect) {
     let regions = Layout::default()
-        .direction(Direction::Horizontal)
+        .direction(if ui_split { Direction::Vertical } else {Direction::Horizontal})
         .constraints([Percentage(50), Percentage(50)].as_ref())
         .split(content_area);
     (regions[0], regions[1])