diff --git a/backends/vulkan/test/op_tests/utils/aten_types.py b/backends/vulkan/test/op_tests/utils/aten_types.py
index 6ad2f568e91..374b3b08a31 100644
--- a/backends/vulkan/test/op_tests/utils/aten_types.py
+++ b/backends/vulkan/test/op_tests/utils/aten_types.py
@@ -24,7 +24,7 @@
 OPT_LAYOUT = "::std::optional<at::Layout>"
 OPT_MEMORY_FORMAT = "::std::optional<at::MemoryFormat>"
 OPT_SCALAR_TYPE = "::std::optional<at::ScalarType>"
-STRING = "std::string_view"
+STRING = "::std::string_view"
 OLD_STRING = "c10::string_view"
 TWO_TENSOR_TUPLE = "::std::tuple<at::Tensor,at::Tensor>"
 THREE_TENSOR_TUPLE = "::std::tuple<at::Tensor,at::Tensor,at::Tensor>"