diff --git a/data/ui/window.blp b/data/ui/window.blp
index 99dcd62..28f0377 100644
--- a/data/ui/window.blp
+++ b/data/ui/window.blp
@@ -9,7 +9,6 @@ template $FeedTheMonkeyWindow : Adw.ApplicationWindow {
   Adw.ToastOverlay toast_overlay {
     Paned paned {
       focusable: false;
-      shrink-start-child: false;
       resize-start-child: false;
 
       start-child: Adw.ToolbarView sidebar_toolbar {
diff --git a/src/window.rs b/src/window.rs
index 26beaf9..cd61845 100644
--- a/src/window.rs
+++ b/src/window.rs
@@ -176,8 +176,14 @@ pub mod imp {
                 let imp = win.imp();
                 if !imp.sidebar_toolbar.is_visible() { return; }
                 let pos = paned.position();
-                if pos < 120 {
-                    imp.set_sidebar_visible(false);
+                if pos < 150 {
+                    // Defer so we don't change widget visibility mid-drag.
+                    let win_weak2 = win_weak.clone();
+                    glib::idle_add_local_once(move || {
+                        if let Some(win) = win_weak2.upgrade() {
+                            win.imp().set_sidebar_visible(false);
+                        }
+                    });
                 } else {
                     s2.set_int("sidebar-width", pos).ok();
                 }