1 files changed, 1 insertions, 1 deletions
diff --git a/mix.exs b/mix.exs
index 2e7e0c790..00659b346 100644
--- a/mix.exs
+++ b/mix.exs
@@ -89,7 +89,7 @@ defmodule Ejabberd.MixProject do
              if_version_below('23', [{:d, :USE_OLD_PG2}]) ++
              if_version_below('24', [{:d, :COMPILER_REPORTS_ONLY_LINES}]) ++
              if_version_below('24', [{:d, :SYSTOOLS_APP_DEF_WITHOUT_OPTIONAL}]) ++
-             if_function_exported(:uri_string, :normalize, 1, [{:d, :HAVE_URI_STRING}])
+             if_function_exported(:uri_string, :normalize, 1, [{:d, :HAVE_URI_STRING}]) ++
              if_function_exported(:erl_error, :format_exception, 6, [{:d, :HAVE_ERL_ERROR}])
     defines = for {:d, value} <- result, do: {:d, value}
     result ++ [{:d, :ALL_DEFS, defines}]