diff --git a/shards_of_power.rb b/shards_of_power.rb
index 518744b..22368dd 100644
--- a/shards_of_power.rb
+++ b/shards_of_power.rb
@@ -94,7 +94,7 @@ class ShardsOfPower
 		@spells = Spell.spells
 		@conditions = Condition.conditions
 
-		@conditions.sort_by(&:name)
+		@conditions.sort_by!(&:name)
 
 		puts "Creating PDF object..."
 		@pdf = Prawn::Document.new(:margin => 0)