diff --git a/HISTORY.rst b/HISTORY.rst
index 2b4b5e20ca..359c247b8c 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -69,6 +69,8 @@
 - Add cascade permission check to the index rebuild tool link.
 - The index rebuild tool now responds with the number of indexes
   queued to rebuild instead of a static acknowledment.
+- Add missing permission check to the document duplicate scan
+  link.
 
 3.0.1 (2018-07-08)
 =================
diff --git a/mayan/apps/documents/links.py b/mayan/apps/documents/links.py
index 2feaf19dc4..63aa40db11 100644
--- a/mayan/apps/documents/links.py
+++ b/mayan/apps/documents/links.py
@@ -335,6 +335,7 @@ link_document_duplicates_list = Link(
 )
 link_duplicated_document_scan = Link(
     icon_class=icon_duplicated_document_scan,
+    permissions=(permission_document_tools,),
     text=_('Duplicated document scan'),
     view='documents:duplicated_document_scan'
 )