diff --git a/lib/phoenix_svg.ex b/lib/phoenix_svg.ex
index f39e3f7..bea951c 100644
--- a/lib/phoenix_svg.ex
+++ b/lib/phoenix_svg.ex
@@ -92,6 +92,11 @@ defmodule PhoenixSVG do
     """
   end
 
+  def render("<?xml version=\"1.0\" encoding=\"UTF-8\"?>" <> tail, attributes, assigns) do
+    render(String.trim(tail), attributes, assigns)
+  end
+
+
   @doc """
   Renders an inline SVG using a cached file.