diff --git a/sphinx/ext/autosectionlabel.py b/sphinx/ext/autosectionlabel.py
index 35eaa0f34..4c353049c 100644
--- a/sphinx/ext/autosectionlabel.py
+++ b/sphinx/ext/autosectionlabel.py
@@ -45,7 +45,7 @@ def register_sections_as_label(app, document):
     anonlabels = app.env.domaindata['std']['anonlabels']
     for node in document.traverse(nodes.section):
         if (app.config.autosectionlabel_maxdepth and
-                get_node_depth(node) > app.config.autosectionlabel_maxdepth):
+                get_node_depth(node) >= app.config.autosectionlabel_maxdepth):
             continue
         labelid = node['ids'][0]
         docname = app.env.docname
diff --git a/tests/test_ext_autosectionlabel.py b/tests/test_ext_autosectionlabel.py
index 6dcd9e57b..7960e2943 100644
--- a/tests/test_ext_autosectionlabel.py
+++ b/tests/test_ext_autosectionlabel.py
@@ -71,7 +71,7 @@ def test_autosectionlabel_prefix_document_html(app, status, warning):
 
 
 @pytest.mark.sphinx('html', testroot='ext-autosectionlabel',
-                    confoverrides={'autosectionlabel_maxdepth': 2})
+                    confoverrides={'autosectionlabel_maxdepth': 3})
 def test_autosectionlabel_maxdepth(app, status, warning):
     return test_autosectionlabel_html(app, status, warning,
                                       skipped_labels=True)