diff --git a/lib/httparrot/cache_handler.ex b/lib/httparrot/cache_handler.ex
index 39941f7..522c8f8 100644
--- a/lib/httparrot/cache_handler.ex
+++ b/lib/httparrot/cache_handler.ex
@@ -9,7 +9,7 @@ defmodule HTTParrot.CacheHandler do
   end
 
   def allowed_methods(req, state) do
-    {["GET", "HEAD", "OPTIONS"], req, state}
+    {~W(GET HEAD OPTIONS), req, state}
   end
 
   def last_modified(req, state) do
diff --git a/lib/httparrot/deny_handler.ex b/lib/httparrot/deny_handler.ex
index 35973c1..57c1153 100644
--- a/lib/httparrot/deny_handler.ex
+++ b/lib/httparrot/deny_handler.ex
@@ -8,7 +8,7 @@ defmodule HTTParrot.DenyHandler do
   end
 
   def allowed_methods(req, state) do
-    {["GET", "HEAD", "OPTIONS"], req, state}
+    {~W(GET HEAD OPTIONS), req, state}
   end
 
   def content_types_provided(req, state) do
diff --git a/lib/httparrot/get_handler.ex b/lib/httparrot/get_handler.ex
index d327ad0..5065ea6 100644
--- a/lib/httparrot/get_handler.ex
+++ b/lib/httparrot/get_handler.ex
@@ -9,7 +9,7 @@ defmodule HTTParrot.GetHandler do
   end
 
   def allowed_methods(req, state) do
-    {["GET", "HEAD", "OPTIONS"], req, state}
+    {~W(GET HEAD OPTIONS), req, state}
   end
 
   def content_types_provided(req, state) do
diff --git a/lib/httparrot/redirect_handler.ex b/lib/httparrot/redirect_handler.ex
index 1988e22..4268989 100644
--- a/lib/httparrot/redirect_handler.ex
+++ b/lib/httparrot/redirect_handler.ex
@@ -8,7 +8,7 @@ defmodule HTTParrot.RedirectHandler do
   end
 
   def allowed_methods(req, state) do
-    {["GET", "HEAD", "OPTIONS"], req, state}
+    {~W(GET HEAD OPTIONS), req, state}
   end
 
   def malformed_request(req, state) do
diff --git a/lib/httparrot/redirect_to_handler.ex b/lib/httparrot/redirect_to_handler.ex
index d867a4e..1ec7499 100644
--- a/lib/httparrot/redirect_to_handler.ex
+++ b/lib/httparrot/redirect_to_handler.ex
@@ -8,7 +8,7 @@ defmodule HTTParrot.RedirectToHandler do
   end
 
   def allowed_methods(req, state) do
-    {["GET", "HEAD", "OPTIONS"], req, state}
+    {~W(GET HEAD OPTIONS), req, state}
   end
 
   def malformed_request(req, state) do
diff --git a/lib/httparrot/relative_redirect_handler.ex b/lib/httparrot/relative_redirect_handler.ex
index 6df0c6f..163b32c 100644
--- a/lib/httparrot/relative_redirect_handler.ex
+++ b/lib/httparrot/relative_redirect_handler.ex
@@ -8,7 +8,7 @@ defmodule HTTParrot.RelativeRedirectHandler do
   end
 
   def allowed_methods(req, state) do
-    {["GET", "HEAD", "OPTIONS"], req, state}
+    {~W(GET HEAD OPTIONS), req, state}
   end
 
   def malformed_request(req, state) do
diff --git a/lib/httparrot/robots_handler.ex b/lib/httparrot/robots_handler.ex
index 4141b88..673a804 100644
--- a/lib/httparrot/robots_handler.ex
+++ b/lib/httparrot/robots_handler.ex
@@ -8,7 +8,7 @@ defmodule HTTParrot.RobotsHandler do
   end
 
   def allowed_methods(req, state) do
-    {["GET", "HEAD", "OPTIONS"], req, state}
+    {~W(GET HEAD OPTIONS), req, state}
   end
 
   def content_types_provided(req, state) do
diff --git a/lib/httparrot/status_code_handler.ex b/lib/httparrot/status_code_handler.ex
index cebb905..b1dca2e 100644
--- a/lib/httparrot/status_code_handler.ex
+++ b/lib/httparrot/status_code_handler.ex
@@ -8,7 +8,7 @@ defmodule HTTParrot.StatusCodeHandler do
   end
 
   def allowed_methods(req, state) do
-    {["GET", "HEAD", "OPTIONS"], req, state}
+    {~W(GET HEAD OPTIONS), req, state}
   end
 
   def content_types_provided(req, state) do