diff --git a/CHANGES b/CHANGES
index 4df8f047c..d8ea05238 100644
--- a/CHANGES
+++ b/CHANGES
@@ -31,6 +31,7 @@ Bugs fixed
 * #3284: Sphinx crashes on parallel build with an extension which raises
   unserializable exception
 * #3315: Bibliography crashes on latex build with docclass 'memoir'
+* #3328: Could not refer rubric implicitly
 
 
 Release 1.5.1 (released Dec 13, 2016)
diff --git a/sphinx/domains/std.py b/sphinx/domains/std.py
index 55d0ec1ef..3c6f98315 100644
--- a/sphinx/domains/std.py
+++ b/sphinx/domains/std.py
@@ -566,7 +566,7 @@ class StandardDomain(Domain):
                 env.warn_node('duplicate label %s, ' % name + 'other instance '
                               'in ' + env.doc2path(labels[name][0]), node)
             anonlabels[name] = docname, labelid
-            if node.tagname == 'section':
+            if node.tagname in ('section', 'rubric'):
                 sectname = clean_astext(node[0])  # node[0] == title node
             elif self.is_enumerable_node(node):
                 sectname = self.get_numfig_title(node)