diff --git a/llvm/lib/SYCLLowerIR/ESIMD/ESIMDVerifier.cpp b/llvm/lib/SYCLLowerIR/ESIMD/ESIMDVerifier.cpp
index 926f66e10a147..f96ee7b4fed85 100644
--- a/llvm/lib/SYCLLowerIR/ESIMD/ESIMDVerifier.cpp
+++ b/llvm/lib/SYCLLowerIR/ESIMD/ESIMDVerifier.cpp
@@ -54,7 +54,8 @@ static const char *LegalSYCLFunctions[] = {
     "^sycl::_V1::ext::oneapi::sub_group::.+",
     "^sycl::_V1::ext::oneapi::experimental::spec_constant<.+>::.+",
     "^sycl::_V1::ext::oneapi::experimental::this_sub_group",
-    "^sycl::_V1::ext::oneapi::experimental::bfloat16::.+"};
+    "^sycl::_V1::ext::oneapi::experimental::bfloat16::.+",
+    "^sycl::_V1::ext::oneapi::experimental::if_architecture_is"};
 
 static const char *LegalSYCLFunctionsInStatelessMode[] = {
     "^sycl::_V1::multi_ptr<.+>::get",
diff --git a/sycl/include/sycl/ext/oneapi/experimental/device_architecture.hpp b/sycl/include/sycl/ext/oneapi/experimental/device_architecture.hpp
index 4fcfdb2036b43..61472815b404d 100644
--- a/sycl/include/sycl/ext/oneapi/experimental/device_architecture.hpp
+++ b/sycl/include/sycl/ext/oneapi/experimental/device_architecture.hpp
@@ -505,16 +505,16 @@ namespace ext::oneapi::experimental {
 
 template <architecture... Archs, typename T, typename... Args>
 constexpr static auto if_architecture_is(T fnTrue, Args... args) {
-  static_assert(detail::allowable_aot_mode<Archs...>(),
+  static_assert(sycl::detail::allowable_aot_mode<Archs...>(),
                 "The if_architecture_is function may only be used when AOT "
                 "compiling with '-fsycl-targets=spir64_x86_64' or "
                 "'-fsycl-targets=*_gpu_*'");
-  if constexpr (detail::device_architecture_is<Archs...>()) {
+  if constexpr (sycl::detail::device_architecture_is<Archs...>()) {
     fnTrue(args...);
-    return detail::if_architecture_helper<false>{};
+    return sycl::detail::if_architecture_helper<false>{};
   } else {
     (void)fnTrue;
-    return detail::if_architecture_helper<true>{};
+    return sycl::detail::if_architecture_helper<true>{};
   }
 }