diff --git a/gui/main.qml b/gui/main.qml
index cf5c7e4..b178e1b 100644
--- a/gui/main.qml
+++ b/gui/main.qml
@@ -473,8 +473,8 @@ ApplicationWindow {
 
         // Left pane: session list
         ColumnLayout {
-            SplitView.preferredWidth: 240
-            SplitView.minimumWidth: 240
+            SplitView.preferredWidth: root.width * 0.3
+            SplitView.minimumWidth: 150
             spacing: 0
 
             ToolBar {