diff --git a/src/elvis.app.src b/src/elvis.app.src
index be33066..4d2be51 100644
--- a/src/elvis.app.src
+++ b/src/elvis.app.src
@@ -2,7 +2,7 @@
   application, elvis,
   [
    {description, "Erlang Style Reviewer, inspired on HoundCI"},
-   {vsn, "0.2.5"},
+   {vsn, "0.2.6-alpha1"},
    {applications, [kernel, stdlib, ibrowse, ssl, jiffy, lager, aleppo, zipper]},
    {modules,
     [
diff --git a/src/elvis_config.erl b/src/elvis_config.erl
index c54b124..ca6ac04 100644
--- a/src/elvis_config.erl
+++ b/src/elvis_config.erl
@@ -108,7 +108,7 @@ dirs(#{}) ->
 filter(_RuleGroup = #{filter := Filter}) ->
     Filter;
 filter(#{}) ->
-    undefined.
+    ?DEFAULT_FILTER.
 
 -spec files(config()) -> [string()].
 files(_RuleGroup = #{files := Files}) ->
@@ -130,14 +130,10 @@ rules(#{}) ->
 resolve_files(Config, Files) when is_list(Config) ->
     Fun = fun(RuleGroup) -> resolve_files(RuleGroup, Files) end,
     lists:map(Fun, Config);
-resolve_files(RuleGroup = #{filter := Filter}, Files) ->
+resolve_files(RuleGroup, Files) ->
     Filter = filter(RuleGroup),
     Dirs = dirs(RuleGroup),
     FilteredFiles = elvis_file:filter_files(Files, Dirs, Filter),
-    RuleGroup#{files => FilteredFiles};
-resolve_files(RuleGroup, Files) ->
-    Dirs = dirs(RuleGroup),
-    FilteredFiles = elvis_file:filter_files(Files, Dirs, ?DEFAULT_FILTER),
     RuleGroup#{files => FilteredFiles}.
 
 %% @doc Takes a configuration and finds all files according to its 'dirs'
diff --git a/test/elvis_SUITE.erl b/test/elvis_SUITE.erl
index 6429b42..3b37aa6 100644
--- a/test/elvis_SUITE.erl
+++ b/test/elvis_SUITE.erl
@@ -199,11 +199,17 @@ run_webhook(_Config) ->
         elvis:start(),
 
         meck:new(egithub, [passthrough]),
-        FakeFun1 = fun(_, _, _) -> {ok, []} end,
+        Files = [#{<<"filename">> => <<"test/examples/rebar.config.fail">>}],
+        FakeFun1 = fun(_, _, _) -> {ok, Files} end,
         meck:expect(egithub, pull_req_files, FakeFun1),
-        meck:expect(egithub, pull_req_comments, FakeFun1),
-        meck:expect(egithub, issue_comments, FakeFun1),
-        FakeFun2 = fun(_, _, _, _) -> {error, error} end,
+
+        EmptyResultFun = fun(_, _, _) -> {ok, []} end,
+        meck:expect(egithub, pull_req_comments, EmptyResultFun),
+        meck:expect(egithub, issue_comments, EmptyResultFun),
+
+        FakeFun2 = fun(_, _, _, "elvis.config") ->
+                           {error, error}
+                   end,
         meck:expect(egithub, file_content, FakeFun2),
 
         ok = elvis:webhook(Request)