diff --git a/lib/tolk/sync.rb b/lib/tolk/sync.rb
index 583003c..a7ab016 100644
--- a/lib/tolk/sync.rb
+++ b/lib/tolk/sync.rb
@@ -46,6 +46,7 @@ def sync_phrases(translations)
         phrases = Tolk::Phrase.all
 
         translations.each do |key, value|
+          next if value.is_a?(Proc)
           # Create phrase and primary translation if missing
           existing_phrase = phrases.detect {|p| p.key == key} || Tolk::Phrase.create!(:key => key)
           translation = existing_phrase.translations.primary || primary_locale.translations.build(:phrase_id => existing_phrase.id)