diff --git a/doc/unsupported_modules.dox b/doc/unsupported_modules.dox
index 503ecb8b3..2f2b2f6a8 100644
--- a/doc/unsupported_modules.dox
+++ b/doc/unsupported_modules.dox
@@ -43,6 +43,9 @@ namespace Eigen {
 /** \ingroup Unsupported_modules
   * \defgroup NumericalDiff_Module */
 
+/** \ingroup Unsupported_modules
+  * \defgroup Polynomials_Module */
+
 /** \ingroup Unsupported_modules
   * \defgroup Skyline_Module */