diff --git a/app/models/tag_alias.rb b/app/models/tag_alias.rb
index f329afe77..e68748836 100644
--- a/app/models/tag_alias.rb
+++ b/app/models/tag_alias.rb
@@ -7,7 +7,7 @@ class TagAlias < ActiveRecord::Base
   validates_uniqueness_of :antecedent_name
   validate :absence_of_transitive_relation
   belongs_to :creator, :class_name => "User"
-  scope :name_matches, lambda {|name| where("(antecedent_name = ? or consequent_name = ?)", name, name)}
+  scope :name_matches, lambda {|name| where("(antecedent_name = ? or consequent_name = ?)", name.downcase, name.downcase)}
   search_method :name_matches
   
   def self.to_aliased(names)
diff --git a/app/models/tag_implication.rb b/app/models/tag_implication.rb
index c468e691f..f9f6f13fe 100644
--- a/app/models/tag_implication.rb
+++ b/app/models/tag_implication.rb
@@ -6,7 +6,7 @@ class TagImplication < ActiveRecord::Base
   validates_presence_of :creator_id
   validates_uniqueness_of :antecedent_name, :scope => :consequent_name
   validate :absence_of_circular_relation
-  scope :name_matches, lambda {|name| where("(antecedent_name = ? or consequent_name = ?)", name, name)}
+  scope :name_matches, lambda {|name| where("(antecedent_name = ? or consequent_name = ?)", name.downcase, name.downcase)}
   search_method :name_matches
 
   module DescendantMethods