diff --git a/runtime/lua/vim/treesitter/playground.lua b/runtime/lua/vim/treesitter/playground.lua
index 1b0d76b52c..efe882204e 100644
--- a/runtime/lua/vim/treesitter/playground.lua
+++ b/runtime/lua/vim/treesitter/playground.lua
@@ -102,16 +102,18 @@ function TSPlayground:new(bufnr, lang)
   -- the root in the child tree to the {injections} table.
   local root = parser:parse()[1]:root()
   local injections = {} ---@type table<integer,table>
-  parser:for_each_tree(function(tree, ltree)
-    local r = tree:root()
-    local node = root:named_descendant_for_range(r:range())
-    if node then
-      injections[node:id()] = {
-        lang = ltree:lang(),
-        root = r,
-      }
-    end
-  end)
+  for _, child in pairs(parser:children()) do
+    child:for_each_tree(function(tree, ltree)
+      local r = tree:root()
+      local node = root:named_descendant_for_range(r:range())
+      if node then
+        injections[node:id()] = {
+          lang = ltree:lang(),
+          root = r,
+        }
+      end
+    end)
+  end
 
   local nodes = traverse(root, 0, parser:lang(), injections, {})