diff --git a/tools/test/travis-ci/doxy-spellchecker/ignore.en.pws b/tools/test/travis-ci/doxy-spellchecker/ignore.en.pws
index 7030a5dce5..dd25563c2a 100644
--- a/tools/test/travis-ci/doxy-spellchecker/ignore.en.pws
+++ b/tools/test/travis-ci/doxy-spellchecker/ignore.en.pws
@@ -1,5 +1,6 @@
 personal_ws-1.1 en 1600 utf-8
 _code_
+unconfigured
 mbed
 rtos
 malloc