diff --git a/modules/core/include/opencv2/core/types.hpp b/modules/core/include/opencv2/core/types.hpp
index ef9ab59383..4d04bef90a 100644
--- a/modules/core/include/opencv2/core/types.hpp
+++ b/modules/core/include/opencv2/core/types.hpp
@@ -1192,7 +1192,7 @@ _Tp Point_<_Tp>::dot(const Point_& pt) const
 template<typename _Tp> inline
 double Point_<_Tp>::ddot(const Point_& pt) const
 {
-    return (double)x*pt.x + (double)y*pt.y;
+    return (double)x*(double)(pt.x) + (double)y*(double)(pt.y);
 }
 
 template<typename _Tp> inline