diff --git a/cockatrice/src/interface/widgets/server/user/user_list_widget.cpp b/cockatrice/src/interface/widgets/server/user/user_list_widget.cpp
index 2534ee62c..195cbe7fa 100644
--- a/cockatrice/src/interface/widgets/server/user/user_list_widget.cpp
+++ b/cockatrice/src/interface/widgets/server/user/user_list_widget.cpp
@@ -613,9 +613,12 @@ UserListWidget::UserListWidget(TabSupervisor *_tabSupervisor,
     userTree->hideColumn(3);
     connect(userTree, &QTreeWidget::itemActivated, this, &UserListWidget::userClicked);
     userTree->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
-    userTree->header()->setStretchLastSection(true);
+    // No stretchLastSection: column 0 is the only visible section and is
+    // stretched explicitly in applyDisplayMode(). Stretching the (hidden)
+    // last section on top of that can leave a stale horizontal scroll range,
+    // which pans rows sideways with no visible scrollbar.
 
-    // Always create timers so callers never segfault on a null deref;
+    // Always create timers so callers never segfault on a null deref,
     // showPopupForUser / hidePopup already guard against a null userInfoPopup.
     showPopupTimer = new QTimer(this);
     showPopupTimer->setSingleShot(true);
@@ -736,7 +739,7 @@ UserListWidget::UserListWidget(TabSupervisor *_tabSupervisor,
             emit currentUserChanged(userName);
         });
 
-        // Keep the popup-less scroll path alive for avatar prefetch.
+        // Keep the popup less scroll path alive for avatar prefetch.
         connect(userTree->verticalScrollBar(), &QScrollBar::valueChanged, this,
                 [this] { requestAvatarsForVisibleItems(); });
     }
@@ -922,15 +925,24 @@ void UserListWidget::applyDisplayMode()
 {
     const bool styled = SettingsCache::instance().appearance().getStyleUserList();
 
+    // Both modes must keep the header length at the viewport width: with
+    // ScrollBarAlwaysOff a nonzero horizontal range is invisible but still
+    // pans via trackpad gestures, which reads as janky random drift.
     if (styled) {
         userTree->header()->setSectionResizeMode(0, QHeaderView::Stretch);
         userTree->hideColumn(1);
         userTree->hideColumn(2);
         userTree->hideColumn(3);
     } else {
-        userTree->header()->setSectionResizeMode(QHeaderView::ResizeToContents);
-        userTree->showColumn(1);
-        userTree->showColumn(2);
+        // Bounded widths instead of ResizeToContents: content sizing measures
+        // the FULL text width while the delegate elides afterwards, so long
+        // names widened the header past the viewport. Fixed icon columns plus
+        // a stretched name column keep the range at zero, eliding trims.
+        userTree->header()->setSectionResizeMode(0, QHeaderView::Fixed);
+        userTree->header()->resizeSection(0, 24);
+        userTree->header()->setSectionResizeMode(1, QHeaderView::Fixed);
+        userTree->header()->resizeSection(1, 22);
+        userTree->header()->setSectionResizeMode(2, QHeaderView::Stretch);
         userTree->hideColumn(3);
     }
 
@@ -978,7 +990,7 @@ void UserListWidget::connectPopupSignals()
 bool UserListWidget::eventFilter(QObject *obj, QEvent *event)
 {
     // A press outside the tree, the popup and any open menu deselects the
-    // list and closes the popup. The filter is installed application-wide, so
+    // list and closes the popup. The filter is installed application wide, so
     // the target can be any widget in the window or another list.
     if (event->type() == QEvent::MouseButtonPress) {
         auto *pressTarget = qobject_cast<QWidget *>(obj);
@@ -988,10 +1000,10 @@ bool UserListWidget::eventFilter(QObject *obj, QEvent *event)
     }
 
     // Keyboard entry to the user context menu: the Menu key (or Shift+F10)
-    // pops the same menu the right-click shows, anchored to the focused row.
-    // Divider rows have no menu. Mouse-triggered context events are NOT handled
-    // here — the delegate's right-press path already pops the menu, and
-    // handling both would open two menus on one right-click.
+    // pops the same menu the right click shows, anchored to the focused row.
+    // Divider rows have no menu. Mouse triggered context events are NOT handled
+    // here, the delegate's right press path already pops the menu, and
+    // handling both would open two menus on one right click.
     if (hasUserInfoPopup && (obj == userTree || obj == userTree->viewport()) && event->type() == QEvent::ContextMenu) {
         auto *contextEvent = static_cast<QContextMenuEvent *>(event);
         if (contextEvent->reason() == QContextMenuEvent::Keyboard) {
@@ -1174,7 +1186,7 @@ void UserListWidget::positionPopup(UserListTWI *item)
     } else if (spaceAbove >= popH) {
         y = itemTopY - popH; // bottom of popup meets top of item, grows upward
     } else {
-        // Neither side fits cleanly — pick the roomier side and let clamp handle the rest
+        // Neither side fits cleanly, pick the roomier side and let clamp handle the rest
         y = (spaceBelow >= spaceAbove) ? itemTopY : (itemTopY - popH);
     }
     y = qBound(screen.top() + margin, y, screen.bottom() - popH - margin);
@@ -1760,7 +1772,7 @@ void UserListWidget::updateSectionDivider(Section section)
     const QString arrow = divider->isExpanded() ? QStringLiteral("\u25BE") : QStringLiteral("\u25B8");
     if (section == Section::Buddy) {
         // The buddy divider reports how many of the shown buddies are online,
-        // mirroring the "Buddies online: %1 / %2" title of the non-sectioned
+        // mirroring the "Buddies online: %1 / %2" title of the non sectioned
         // buddy list.
         divider->setText(0, tr("%1 %2 (%3/%4)").arg(arrow, sectionTitle(section)).arg(online).arg(visible));
     } else {
@@ -1877,8 +1889,8 @@ UserListTWI *UserListWidget::ensureSectionMembership(Section section, const Serv
     updateCardArtParams(user, userName);
 
     // Dialog mode: rows that fail the user filter never exist. applyFilter()
-    // re-checks the predicate on every pass so a live state change (e.g. the
-    // user being ignored mid-dialog) hides an already created row.
+    // re checks the predicate on every pass so a live state change (e.g. the
+    // user being ignored mid dialog) hides an already created row.
     if (userFilter && !userFilter(userName, online)) {
         return nullptr;
     }