diff --git a/src/common/components/reader-ui.js b/src/common/components/reader-ui.js
index 62157a69..7ea003e4 100644
--- a/src/common/components/reader-ui.js
+++ b/src/common/components/reader-ui.js
@@ -220,7 +220,10 @@ const ReaderUI = React.forwardRef((props, ref) => {
 				</div>
 				<div className="split-view">
 					<View {...props} primary={true} state={state}/>
-					<SplitViewResizer onResize={props.onResizeSplitView}/>
+					<SplitViewResizer
+						onResize={props.onResizeSplitView}
+						onDoubleClick={() => props.onResizeSplitView('50%')}
+					/>
 					{state.splitType && <View {...props} primary={false} state={state} />}
 				</div>
 				{state.contextMenu && <ContextMenu params={state.contextMenu} onClose={props.onCloseContextMenu}/>}
diff --git a/src/common/components/split-view-resizer.js b/src/common/components/split-view-resizer.js
index 26553166..1d20a79b 100644
--- a/src/common/components/split-view-resizer.js
+++ b/src/common/components/split-view-resizer.js
@@ -3,8 +3,6 @@ import cx from 'classnames';
 
 const VIEW_MIN_SIZE = 20; // Percent
 
-// TODO: Reset size on resizer double click
-
 function SplitViewResizer(props) {
 	const [resizing, setResizing] = useState(false);
 	const resizerRef = useRef();
@@ -91,11 +89,17 @@ function SplitViewResizer(props) {
 		setResizing(true);
 	}
 
+	function handleDoubleClick(event) {
+		event.preventDefault();
+		props.onDoubleClick?.();
+	}
+
 	return (
 		<div
 			ref={resizerRef}
 			className={cx('split-view-resizer', { resizing })}
 			onPointerDown={handlePointerDown}
+			onDoubleClick={handleDoubleClick}
 		/>
 	);
 }