diff --git a/lib/diaspora/taggable.rb b/lib/diaspora/taggable.rb
index e77c599d3..4ed2764b0 100644
--- a/lib/diaspora/taggable.rb
+++ b/lib/diaspora/taggable.rb
@@ -4,7 +4,7 @@
 
 module Diaspora
   module Taggable
-    VALID_TAG_BODY = /[^_\s#*\[\]()\:\@\/"']+/
+    VALID_TAG_BODY = /[^_\s#*\[\]()\:\@\/"'\.]+/
     
     def self.included(model)
       model.class_eval do