diff --git a/app/models/tag_alias.rb b/app/models/tag_alias.rb
index c185c3b5f..fd18a3807 100644
--- a/app/models/tag_alias.rb
+++ b/app/models/tag_alias.rb
@@ -91,8 +91,8 @@ class TagAlias < ActiveRecord::Base
   end
   
   def normalize_names
-    self.antecedent_name = antecedent_name.mb_chars.downcase.tr(" ", "_").strip
-    self.consequent_name = consequent_name.downcase.tr(" ", "_").strip
+    self.antecedent_name = antecedent_name.mb_chars.downcase.tr(" ", "_")
+    self.consequent_name = consequent_name.downcase.tr(" ", "_")
   end
 
   def initialize_creator
diff --git a/app/models/tag_implication.rb b/app/models/tag_implication.rb
index fb2948bcf..12138dae8 100644
--- a/app/models/tag_implication.rb
+++ b/app/models/tag_implication.rb
@@ -132,8 +132,8 @@ class TagImplication < ActiveRecord::Base
   end
   
   def normalize_names
-    self.antecedent_name = antecedent_name.downcase.tr(" ", "_").strip
-    self.consequent_name = consequent_name.downcase.tr(" ", "_").strip
+    self.antecedent_name = antecedent_name.downcase.tr(" ", "_")
+    self.consequent_name = consequent_name.downcase.tr(" ", "_")
   end
 
   def is_pending?