diff --git a/config/routes.rb b/config/routes.rb
index 709b66d3e06d..f23542cc8931 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -327,5 +327,7 @@
     end
   end
 
+  get ':id' => "groups#show", constraints: {id: /(?:[^.]|\.(?!atom$))+/, format: /atom/}
+
   root to: "dashboard#show"
 end
diff --git a/spec/routing/routing_spec.rb b/spec/routing/routing_spec.rb
index 9b67cd432bc1..a2d2a35140c9 100644
--- a/spec/routing/routing_spec.rb
+++ b/spec/routing/routing_spec.rb
@@ -238,3 +238,14 @@
 describe "Authentication", "routing" do
   # pending
 end
+
+describe "Groups", "routing" do
+  it "to #show" do
+    get("/groups/1").should route_to('groups#show', id: '1')
+  end
+
+  it "also display group#show on the short path" do
+    get("/1").should route_to('groups#show', id: '1')
+  end
+end
+