diff --git a/tools/setup/emoji/build_emoji b/tools/setup/emoji/build_emoji
index 41b80ce270..729cd01439 100755
--- a/tools/setup/emoji/build_emoji
+++ b/tools/setup/emoji/build_emoji
@@ -142,7 +142,7 @@ def setup_emoji_farms(cache_path: str, emoji_data: List[Dict[str, Any]]) -> None
         dst_file = os.path.join(target_emoji_farm, img_file_name)
         shutil.copy2(src_file, dst_file)
 
-    for emojiset in ['google']:
+    def setup_emoji_farm(emojiset: str, emoji_data: List[Dict[str, Any]]) -> None:
         # Copy individual emoji images from npm packages.
         src_emoji_farm = os.path.join(
             NODE_MODULES_PATH, 'emoji-datasource-' + emojiset, 'img', emojiset, '64')
@@ -174,6 +174,9 @@ def setup_emoji_farms(cache_path: str, emoji_data: List[Dict[str, Any]]) -> None
 
         generate_sprite_css_files(cache_path, emoji_data, emojiset)
 
+    for emojiset in ['google', 'twitter']:
+        setup_emoji_farm(emojiset, emoji_data)
+
 def setup_old_emoji_farm(cache_path: str,
                          emoji_map: Dict[str, str],
                          emoji_data: List[Dict[str, Any]]) -> None: