From 3d9bef366c1a8d638f8a72c92010933518859e8b Mon Sep 17 00:00:00 2001
From: Henne Vogelsang <hvogel@opensuse.org>
Date: Tue, 4 Mar 2014 10:15:40 +0100
Subject: [PATCH] Only upcase languages if they exist...

---
 app/models/person.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/models/person.rb b/app/models/person.rb
index 04318f16..e4f5831c 100644
--- a/app/models/person.rb
+++ b/app/models/person.rb
@@ -28,7 +28,7 @@ class Person < ActiveRecord::Base
   alias_attribute :affiliation, :company
 
   def languages_upcase
-    self.languages = self.languages.upcase
+    self.languages = self.languages.upcase if self.languages
   end
 
   def to_s