diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3bdad9ba..88823757 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## Unreleased
 
 ### Changed
+* Give more space to right-side diff view [[@hongquan](https://github.com/hongquan)] ([#2772](https://github.com/gitui-org/gitui/pull/2772))
 * use [tombi](https://github.com/tombi-toml/tombi) for all toml file formatting
 * open the external editor from the status diff view [[@WaterWhisperer](https://github.com/WaterWhisperer)] ([#2805](https://github.com/gitui-org/gitui/issues/2805))
 
diff --git a/src/popups/inspect_commit.rs b/src/popups/inspect_commit.rs
index 4acfe88e..a520e848 100644
--- a/src/popups/inspect_commit.rs
+++ b/src/popups/inspect_commit.rs
@@ -67,29 +67,29 @@ pub struct InspectCommitPopup {
 
 impl DrawableComponent for InspectCommitPopup {
 	fn draw(&self, f: &mut Frame, rect: Rect) -> Result<()> {
-		if self.is_visible() {
-			let percentages = if self.diff.focused() {
-				(0, 100)
-			} else {
-				(50, 50)
-			};
-
-			let chunks = Layout::default()
-				.direction(Direction::Horizontal)
-				.constraints(
-					[
-						Constraint::Percentage(percentages.0),
-						Constraint::Percentage(percentages.1),
-					]
-					.as_ref(),
-				)
-				.split(rect);
-
-			f.render_widget(Clear, rect);
-
-			self.details.draw(f, chunks[0])?;
-			self.diff.draw(f, chunks[1])?;
+		if !self.is_visible() {
+			return Ok(());
 		}
+		let constraints = match rect.width {
+			..64 => [
+				Constraint::Percentage(50),
+				Constraint::Percentage(50),
+			],
+			64..100 => [Constraint::Max(32), Constraint::Fill(1)],
+			100..120 => [Constraint::Max(38), Constraint::Fill(1)],
+			120..152 => [Constraint::Max(42), Constraint::Fill(1)],
+			_ => [Constraint::Max(50), Constraint::Fill(1)],
+		};
+
+		let chunks = Layout::default()
+			.direction(Direction::Horizontal)
+			.constraints(constraints)
+			.split(rect);
+
+		f.render_widget(Clear, rect);
+
+		self.details.draw(f, chunks[0])?;
+		self.diff.draw(f, chunks[1])?;
 
 		Ok(())
 	}