diff --git a/src/languages/cpp.js b/src/languages/cpp.js
index e2cf5a9d28..af4c2a0a6c 100644
--- a/src/languages/cpp.js
+++ b/src/languages/cpp.js
@@ -271,7 +271,13 @@ export default function(hljs) {
     'vector',
     'weak_ptr',
     'wstring',
-    'wstring_view'
+    'wstring_view',
+    'Matrix3f',
+    'Matrix3d',
+    'MatrixXd',
+    'MatrixXf',
+    'VectorXd',
+    'VectorXf'
   ];
 
   const FUNCTION_HINTS = [