diff --git a/tests/aspell.en.pws b/tests/aspell.en.pws
index b5cda58be..ee79d3ae7 100644
--- a/tests/aspell.en.pws
+++ b/tests/aspell.en.pws
@@ -24,6 +24,7 @@ CreateObject
 DEI
 Decrement
 Destructor
+DPU
 EAPOL
 ECN
 EIO