diff --git a/modules/core/include/opencv2/core/core.hpp b/modules/core/include/opencv2/core/core.hpp
index 7bf76e1ed6..3065b2fbff 100644
--- a/modules/core/include/opencv2/core/core.hpp
+++ b/modules/core/include/opencv2/core/core.hpp
@@ -978,8 +978,7 @@ public:
     typedef value_type channel_type;
     typedef value_type vec_type;
     
-    enum { generic_type = 1, depth = DataDepth<channel_type>::value, channels = 1,
-        fmt=DataDepth<channel_type>::fmt,
+    enum { generic_type = 1, depth = -1, channels = 1, fmt=0,
         type = CV_MAKETYPE(depth, channels) };
 };
 
diff --git a/modules/core/include/opencv2/core/operations.hpp b/modules/core/include/opencv2/core/operations.hpp
index 5ab8c88195..0d12d5ecee 100644
--- a/modules/core/include/opencv2/core/operations.hpp
+++ b/modules/core/include/opencv2/core/operations.hpp
@@ -2638,7 +2638,7 @@ template<typename _Tp> static inline void write( FileStorage& fs, const vector<_
 template<typename _Tp> static inline FileStorage&
 operator << ( FileStorage& fs, const vector<_Tp>& vec )
 {
-    VecWriterProxy<_Tp, DataType<_Tp>::fmt != 0> w(&fs);
+    VecWriterProxy<_Tp, DataType<_Tp>::generic_type == 0> w(&fs);
     w(vec);
     return fs;
 }