diff --git a/actionpack/lib/action_dispatch/routing/mapper.rb b/actionpack/lib/action_dispatch/routing/mapper.rb
index ea5028a7c0..f64cff8394 100644
--- a/actionpack/lib/action_dispatch/routing/mapper.rb
+++ b/actionpack/lib/action_dispatch/routing/mapper.rb
@@ -444,9 +444,10 @@ module ActionDispatch
 
           raise "A rack application must be specified" unless path
 
-          options[:as] ||= app_name(app)
+          options[:as]  ||= app_name(app)
+          options[:via] ||= :all
 
-          match(path, options.merge(:to => app, :anchor => false, :format => false, :via => :all))
+          match(path, options.merge(:to => app, :anchor => false, :format => false))
 
           define_generate_prefix(app, options[:as])
           self
diff --git a/actionpack/test/dispatch/mount_test.rb b/actionpack/test/dispatch/mount_test.rb
index 536e35ab2e..3b008fdff0 100644
--- a/actionpack/test/dispatch/mount_test.rb
+++ b/actionpack/test/dispatch/mount_test.rb
@@ -22,6 +22,7 @@ class TestRoutingMount < ActionDispatch::IntegrationTest
     mount SprocketsApp => "/shorthand"
 
     mount FakeEngine, :at => "/fakeengine"
+    mount FakeEngine, :at => "/getfake", :via => :get
 
     scope "/its_a" do
       mount SprocketsApp, :at => "/sprocket"
@@ -52,6 +53,14 @@ class TestRoutingMount < ActionDispatch::IntegrationTest
     assert_equal "/shorthand -- /omg", response.body
   end
 
+  def test_mounting_works_with_via
+    get "/getfake"
+    assert_equal "OK", response.body
+
+    post "/getfake"
+    assert_response :not_found
+  end
+
   def test_with_fake_engine_does_not_call_invalid_method
     get "/fakeengine"
     assert_equal "OK", response.body