diff --git a/app/controllers/application.rb b/app/controllers/application.rb
index dd00034..ae6f780 100644
--- a/app/controllers/application.rb
+++ b/app/controllers/application.rb
@@ -103,7 +103,10 @@ class ApplicationController < ActionController::Base
   end
 
   def load_terminology
-    Noosfero.terminology = environment.terminology
+    # cache terminology for performance
+    @terminology_cache ||= {}
+    @terminology_cache[environment.id] ||= environment.terminology
+    Noosfero.terminology = @terminology_cache[environment.id]
   end
 
   def render_not_found(path = nil)
--
libgit2 0.21.2