diff --git a/scripts/spdxcheck.py b/scripts/spdxcheck.py
index 1a39b34588b7..33df646618e2 100755
--- a/scripts/spdxcheck.py
+++ b/scripts/spdxcheck.py
@@ -32,7 +32,7 @@ class SPDXdata(object):
 def read_spdxdata(repo):
 
     # The subdirectories of LICENSES in the kernel source
-    license_dirs = [ "preferred", "deprecated", "exceptions" ]
+    license_dirs = [ "preferred", "deprecated", "exceptions", "dual" ]
     lictree = repo.head.commit.tree['LICENSES']
 
     spdx = SPDXdata()