diff --git a/modules/python/src2/cv2.cpp b/modules/python/src2/cv2.cpp
index a7837a6ff8..4a3181bdde 100644
--- a/modules/python/src2/cv2.cpp
+++ b/modules/python/src2/cv2.cpp
@@ -45,6 +45,7 @@ typedef std::vector<DMatch> vector_DMatch;
 typedef std::vector<String> vector_String;
 typedef std::vector<std::string> vector_string;
 typedef std::vector<Scalar> vector_Scalar;
+typedef std::vector<aruco::Dictionary> vector_Dictionary;
 
 typedef std::vector<std::vector<char> > vector_vector_char;
 typedef std::vector<std::vector<Point> > vector_vector_Point;