diff --git a/ckanext/odsh/validation.py b/ckanext/odsh/validation.py
index b57933968fc19251a12c727347a6aaf5e570655c..d74e44b402d7120ff90fac6dc82a7397d0d657be 100644
--- a/ckanext/odsh/validation.py
+++ b/ckanext/odsh/validation.py
@@ -265,7 +265,7 @@ def next_extra_index(data):
 
 
 def tag_name_validator(value, context):
-    tagname_match = re.compile('[\w \-.\:\(\)\´\`]*$', re.UNICODE)
+    tagname_match = re.compile('[\w \-.\:\(\)\´\`/]*$', re.UNICODE)
     if not tagname_match.match(value):
         raise toolkit.Invalid(_('Tag "%s" must be alphanumeric '
                                 'characters or symbols: -_.:()') % (value))