diff --git a/modules/core/perf/perf_merge.cpp b/modules/core/perf/perf_merge.cpp
index af0aa2503..576ad23ea 100644
--- a/modules/core/perf/perf_merge.cpp
+++ b/modules/core/perf/perf_merge.cpp
@@ -6,7 +6,7 @@ using namespace perf;
 using std::tr1::make_tuple;
 using std::tr1::get;
 
-typedef std::tr1::tuple<Size, int, int> Size_SrcDepth_DstChannels_t;
+typedef std::tr1::tuple<Size, MatType, int> Size_SrcDepth_DstChannels_t;
 typedef perf::TestBaseWithParam<Size_SrcDepth_DstChannels_t> Size_SrcDepth_DstChannels;
 
 PERF_TEST_P( Size_SrcDepth_DstChannels, merge,
diff --git a/modules/core/perf/perf_split.cpp b/modules/core/perf/perf_split.cpp
index 1629653d6..db75165f2 100644
--- a/modules/core/perf/perf_split.cpp
+++ b/modules/core/perf/perf_split.cpp
@@ -6,7 +6,7 @@ using namespace perf;
 using std::tr1::make_tuple;
 using std::tr1::get;
 
-typedef std::tr1::tuple<Size, int, int> Size_Depth_Channels_t;
+typedef std::tr1::tuple<Size, MatType, int> Size_Depth_Channels_t;
 typedef perf::TestBaseWithParam<Size_Depth_Channels_t> Size_Depth_Channels;
 
 PERF_TEST_P( Size_Depth_Channels, split,