diff --git a/lib/hammer/utils.ex b/lib/hammer/utils.ex
index c4a7749..f226cb0 100644
--- a/lib/hammer/utils.ex
+++ b/lib/hammer/utils.ex
@@ -6,7 +6,7 @@ defmodule Hammer.Utils do
   end
 
   def pool_name(name) do
-    String.to_existing_atom("hammer_backend_#{name}_pool")
+    String.to_atom("hammer_backend_#{name}_pool")
   end
 
   # Returns Erlang Time as milliseconds since 00:00 GMT, January 1, 1970