diff --git a/src/rebar_utils.erl b/src/rebar_utils.erl
index 113dd21..199acdf 100644
--- a/src/rebar_utils.erl
+++ b/src/rebar_utils.erl
@@ -247,12 +247,19 @@ get_deprecated_global(OldOpt, NewOpt, When) ->
             New
     end.
 
-deprecated(Old, New, Opts, When) ->
+deprecated(Old, New, Opts, When) when is_list(Opts) ->
     case lists:member(Old, Opts) of
         true ->
             deprecated(Old, New, When);
         false ->
             ok
+    end;
+deprecated(Old, New, Config, When) ->
+    case rebar_config:get(Config, Old, undefined) of
+        undefined ->
+            ok;
+        _ ->
+            deprecated(Old, New, When)
     end.
 
 deprecated(Old, New, When) ->