diff --git a/modules/python/src2/gen2.py b/modules/python/src2/gen2.py
index 0ba643f12b..fdcae20187 100755
--- a/modules/python/src2/gen2.py
+++ b/modules/python/src2/gen2.py
@@ -231,6 +231,8 @@ simple_argtype_mapping = {
     "c_string": ArgTypeInfo("char*", FormatStrings.string, '(char*)""'),
     "string": ArgTypeInfo("std::string", FormatStrings.object, None, True),
     "Stream": ArgTypeInfo("Stream", FormatStrings.object, 'Stream::Null()', True),
+    "cuda_Stream": ArgTypeInfo("cuda::Stream", FormatStrings.object, "cuda::Stream::Null()", True),
+    "cuda_GpuMat": ArgTypeInfo("cuda::GpuMat", FormatStrings.object, "cuda::GpuMat()", True),
     "UMat": ArgTypeInfo("UMat", FormatStrings.object, 'UMat()', True),  # FIXIT: switch to CV_EXPORTS_W_SIMPLE as UMat is already a some kind of smart pointer
 }