1 files changed, 4 insertions, 1 deletions
diff --git a/syntax_tree.lua b/syntax_tree.lua
index 92cee59..fe4f6dc 100644
--- a/syntax_tree.lua
+++ b/syntax_tree.lua
@@ -160,10 +160,13 @@ do
         if type(a) == 'string' then
           stub_bits[#stub_bits + 1] = a
         else
-          stub_bits[#stub_bits + 1] = tostring(arg_i)
+          stub_bits[#stub_bits + 1] = arg_i
           arg_i = arg_i + 1
         end
       end
+      while type(stub_bits[#stub_bits]) == 'number' do
+        stub_bits[#stub_bits] = nil
+      end
       return concat(stub_bits, " ")
     end
   }