diff --git a/web/chat/composed-message.react.js b/web/chat/composed-message.react.js
--- a/web/chat/composed-message.react.js
+++ b/web/chat/composed-message.react.js
@@ -121,12 +121,16 @@
     }
 
     let inlineSidebar = null;
-    if (this.props.containsInlineSidebar && item.threadCreatedFromMessage) {
+    if (
+      (this.props.containsInlineSidebar && item.threadCreatedFromMessage) ||
+      item.reactions
+    ) {
       const positioning = isViewer ? 'right' : 'left';
       inlineSidebar = (
         <div className={css.sidebarMarginBottom}>
           <InlineSidebar
             threadInfo={item.threadCreatedFromMessage}
+            reactions={item.reactions}
             positioning={positioning}
           />
         </div>
diff --git a/web/chat/inline-sidebar.react.js b/web/chat/inline-sidebar.react.js
--- a/web/chat/inline-sidebar.react.js
+++ b/web/chat/inline-sidebar.react.js
@@ -4,6 +4,7 @@
 import * as React from 'react';
 
 import useInlineSidebarText from 'lib/hooks/inline-sidebar-text.react';
+import type { ReactionMessageInfo } from 'lib/types/message-types';
 import type { ThreadInfo } from 'lib/types/thread-types';
 
 import CommIcon from '../CommIcon.react';
@@ -12,7 +13,7 @@
 
 type Props = {
   +threadInfo: ?ThreadInfo,
-  +reactions?: $ReadOnlyArray<string>,
+  +reactions?: $ReadOnlyArray<ReactionMessageInfo>,
   +positioning: 'left' | 'center' | 'right',
 };
 function InlineSidebar(props: Props): React.Node {
@@ -32,14 +33,13 @@
     if (!reactions || reactions.length === 0) {
       return null;
     }
-    const reactionsItems = reactions.map(reaction => {
-      return (
-        <div key={reaction} className={css.reactions}>
-          {reaction}
-        </div>
-      );
-    });
-    return <div className={css.reactionsContainer}>{reactionsItems}</div>;
+    let reactionText = reactions[0].reaction;
+    if (reactions.length > 1) {
+      reactionText += ` ${reactions.length}`;
+    }
+    const reactionItems = <div style={css.reactions}>{reactionText}</div>;
+
+    return <div className={css.reactionsContainer}>{reactionItems}</div>;
   }, [reactions]);
 
   const onClick = useOnClickThread(threadInfo);