diff --git a/modules/objdetect/include/opencv2/objdetect/objdetect.hpp b/modules/objdetect/include/opencv2/objdetect/objdetect.hpp
index 7db64b602b..735fd35fcf 100644
--- a/modules/objdetect/include/opencv2/objdetect/objdetect.hpp
+++ b/modules/objdetect/include/opencv2/objdetect/objdetect.hpp
@@ -628,7 +628,7 @@ public:
         double groupEps;
     };
 
-    struct DOTTemplate
+    struct CV_EXPORTS DOTTemplate
     {
         DOTTemplate();
         DOTTemplate( const cv::Mat& quantizedImage, int classID,