diff --git a/ckan/lib/helpers.py b/ckan/lib/helpers.py
index 18a39de5625..fb592b140fa 100644
--- a/ckan/lib/helpers.py
+++ b/ckan/lib/helpers.py
@@ -1393,7 +1393,7 @@ def resource_preview(resource, pkg_id):
     if not resource['url']:
         return snippet("dataviewer/snippets/no_preview.html",
                        resource_type=format_lower,
-                       reason=u'The resource url is not specified.')
+                       reason=_(u'The resource url is not specified.'))
     direct_embed = config.get('ckan.preview.direct', '').split()
     if not direct_embed:
         direct_embed = datapreview.DEFAULT_DIRECT_EMBED
@@ -1413,10 +1413,10 @@ def resource_preview(resource, pkg_id):
         reason = None
         if format_lower:
             log.info(
-                u'No preview handler for resource type {0}'.format(format_lower)
+                _(u'No preview handler for resource of type {0}'.format(format_lower))
             )
         else:
-            reason = u'The resource format is not specified.'
+            reason = _(u'The resource format is not specified.')
         return snippet("dataviewer/snippets/no_preview.html",
                        reason=reason,
                        resource_type=format_lower)
diff --git a/ckan/templates/dataviewer/snippets/no_preview.html b/ckan/templates/dataviewer/snippets/no_preview.html
index 5ae091a8fff..a0a89ace362 100644
--- a/ckan/templates/dataviewer/snippets/no_preview.html
+++ b/ckan/templates/dataviewer/snippets/no_preview.html
@@ -6,7 +6,7 @@
     </button>
     <div id="details" class="collapse">
       {% if reason %}
-        {{_(reason)}}
+        {{ reason }}
       {% else %}
         {% set t = '<code>'|safe + resource_type + '</code>'|safe %}
         {{ gettext('No handler defined for data type: %(type)s.', type=t) }}