diff --git a/web/chat/chat-thread-list-item.react.js b/web/chat/chat-thread-list-item.react.js
--- a/web/chat/chat-thread-list-item.react.js
+++ b/web/chat/chat-thread-list-item.react.js
@@ -95,7 +95,7 @@
       return (
         <ChatThreadListSidebar
           sidebarInfo={sidebarInfo}
-          isMultipleSidebarItem={index > 0}
+          isSubsequentItem={index > 0}
           key={sidebarInfo.threadInfo.id}
         />
       );
diff --git a/web/chat/chat-thread-list-sidebar.react.js b/web/chat/chat-thread-list-sidebar.react.js
--- a/web/chat/chat-thread-list-sidebar.react.js
+++ b/web/chat/chat-thread-list-sidebar.react.js
@@ -15,10 +15,10 @@
 
 type Props = {
   +sidebarInfo: SidebarInfo,
-  +isMultipleSidebarItem: boolean,
+  +isSubsequentItem: boolean,
 };
 function ChatThreadListSidebar(props: Props): React.Node {
-  const { sidebarInfo, isMultipleSidebarItem } = props;
+  const { sidebarInfo, isSubsequentItem } = props;
   const { threadInfo, mostRecentNonLocalMessage } = sidebarInfo;
   const {
     currentUser: { unread },
@@ -40,10 +40,7 @@
       onClick={onClick}
     >
       <div className={css.dotContainer}>{unreadDot}</div>
-      <SidebarItem
-        sidebarInfo={sidebarInfo}
-        extendArrow={isMultipleSidebarItem}
-      />
+      <SidebarItem sidebarInfo={sidebarInfo} extendArrow={isSubsequentItem} />
       <ChatThreadListItemMenu
         threadInfo={threadInfo}
         mostRecentNonLocalMessage={mostRecentNonLocalMessage}
diff --git a/web/chat/sidebar-item.react.js b/web/chat/sidebar-item.react.js
--- a/web/chat/sidebar-item.react.js
+++ b/web/chat/sidebar-item.react.js
@@ -26,9 +26,14 @@
 
   const unreadCls = classNames(css.sidebarTitle, { [css.unread]: unread });
 
+  let arrowExtender;
+  if (extendArrow) {
+    arrowExtender = <div className={css.threadArrowExtender} />;
+  }
+
   return (
     <>
-      {extendArrow ? <div className={css.threadArrowExtender} /> : null}
+      {arrowExtender}
       <SWMansionIcon icon="right-angle-arrow" size={28} />
       <div className={css.spacer} />
       <a className={css.threadButtonSidebar} onClick={onClick}>