diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index cd010f9..d04b380 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -17,15 +17,10 @@
     redirect_to root_url, alert: _('You need to sign in or sign up before continuing.')
   end
 
-  before_filter :get_languages
   before_filter :set_gettext_locale
 
   after_filter :store_location
 
-  def get_languages
-    @languages = Language.sorted_by_abbreviation
-  end
-
   # Sets FastGettext locale for every request made
   def set_gettext_locale
     FastGettext.locale = session[:locale] || FastGettext.default_locale
diff --git a/app/views/layouts/_navigation.html.erb b/app/views/layouts/_navigation.html.erb
index e355bf6..4ed662d 100644
--- a/app/views/layouts/_navigation.html.erb
+++ b/app/views/layouts/_navigation.html.erb
@@ -52,20 +52,22 @@
         <li <%= 'class=active' if isActivePage(public_plans_path) %>>
           <%= link_to _('Public DMPs'), public_plans_path %>
         </li>
-      <!-- language dropdown -->
-      <li class="dropdown sign_in">
-        <a class="dropdown-toggle main_nav" data-toggle="dropdown" href="#">
-          <%= _('Change language') %>
-          <b class="caret caret-orange"></b>
-        </a>
-        <ul class="dropdown-menu" style="padding: 0;">
-          <% @languages.each do |l| %>
-            <li <%= 'class=active' if FastGettext.locale == l.abbreviation %>>
-              <%= link_to l.name, locale_path(l.abbreviation), method: :patch, class: 'main_nav lang-dropdown-link'%>
-            </li>
-          <% end %>
-        </ul>
-      </li>
+      <% if MANY_LANGUAGES %>
+          <!-- language dropdown -->
+          <li class="dropdown sign_in">
+            <a class="dropdown-toggle main_nav" data-toggle="dropdown" href="#">
+              <%= _('Change language') %>
+              <b class="caret caret-orange"></b>
+            </a>
+            <ul class="dropdown-menu" style="padding: 0;">
+              <% LANGUAGES.each do |l| %>
+                <li <%= 'class=active' if FastGettext.locale == l.abbreviation %>>
+                  <%= link_to l.name, locale_path(l.abbreviation), method: :patch, class: 'main_nav lang-dropdown-link'%>
+                </li>
+              <% end %>
+            </ul>
+          </li>
+      <% end %>
     <% end %>
   </ul>
 </div>
diff --git a/config/initializers/constants.rb b/config/initializers/constants.rb
new file mode 100644
index 0000000..46e70f4
--- /dev/null
+++ b/config/initializers/constants.rb
@@ -0,0 +1,2 @@
+LANGUAGES = Language.sorted_by_abbreviation
+MANY_LANGUAGES = Language.many?
\ No newline at end of file
diff --git a/config/initializers/fast_gettext.rb b/config/initializers/fast_gettext.rb
index 2e0a2de..393eb4d 100644
--- a/config/initializers/fast_gettext.rb
+++ b/config/initializers/fast_gettext.rb
@@ -1,5 +1,5 @@
 def get_available_locales
-    languages = Language.sorted_by_abbreviation()
+    languages = LANGUAGES # LANGUAGES is defined in config/initializers/constants.rb
     locales = []
     languages.each do |l|
         locales << l.abbreviation