diff --git a/SYCL/Functor/kernel_functor.cpp b/SYCL/Functor/kernel_functor.cpp
index ad9f4ea873..a43556d773 100644
--- a/SYCL/Functor/kernel_functor.cpp
+++ b/SYCL/Functor/kernel_functor.cpp
@@ -21,6 +21,27 @@ constexpr auto sycl_read_write = cl::sycl::access::mode::read_write;
 constexpr auto sycl_global_buffer = cl::sycl::access::target::global_buffer;
 
 // Case 1:
+// - functor class is defined in an anonymous namespace
+// - the '()' operator:
+//   * does not have parameters (to be used in 'single_task').
+//   * has the 'const' qualifier
+namespace {
+class Functor1 {
+public:
+  Functor1(
+      int X_,
+      cl::sycl::accessor<int, 1, sycl_read_write, sycl_global_buffer> &Acc_)
+      : X(X_), Acc(Acc_) {}
+
+  void operator()() const { Acc[0] += X; }
+
+private:
+  int X;
+  cl::sycl::accessor<int, 1, sycl_read_write, sycl_global_buffer> Acc;
+};
+} // namespace
+
+// Case 2:
 // - functor class is defined in a namespace
 // - the '()' operator:
 //   * does not have parameters (to be used in 'single_task').
@@ -85,6 +106,13 @@ int foo(int X) {
     cl::sycl::queue Q;
     cl::sycl::buffer<int, 1> Buf(A, 1);
 
+    Q.submit([&](cl::sycl::handler &cgh) {
+      auto Acc = Buf.get_access<sycl_read_write, sycl_global_buffer>(cgh);
+      Functor1 F(X, Acc);
+
+      cgh.single_task(F);
+    });
+
     Q.submit([&](cl::sycl::handler &cgh) {
       auto Acc = Buf.get_access<sycl_read_write, sycl_global_buffer>(cgh);
       ns::Functor2 F(X, Acc);
@@ -143,7 +171,7 @@ template <typename T> T bar(T X) {
 int main() {
   const int Res1 = foo(10);
   const int Res2 = bar(10);
-  const int Gold1 = 30;
+  const int Gold1 = 40;
   const int Gold2 = 80;
 
   assert(Res1 == Gold1);