diff --git a/tests/benchmark/NEON/NormalizationLayer.cpp b/tests/benchmark/NEON/NormalizationLayer.cpp
index 1f2b2a3..0c9a864 100644
--- a/tests/benchmark/NEON/NormalizationLayer.cpp
+++ b/tests/benchmark/NEON/NormalizationLayer.cpp
@@ -38,6 +38,8 @@
 {
 namespace test
 {
+namespace benchmark
+{
 namespace
 {
 #ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC
@@ -72,5 +74,6 @@
                                                             framework::dataset::make("Batches", { 4, 8 })));
 TEST_SUITE_END()
 TEST_SUITE_END()
+} // namespace benchmark
 } // namespace test
 } // namespace arm_compute