diff --git a/arm_compute/core/CL/kernels/CLSobel5x5Kernel.h b/arm_compute/core/CL/kernels/CLSobel5x5Kernel.h
index e90f8f5..53542ac 100644
--- a/arm_compute/core/CL/kernels/CLSobel5x5Kernel.h
+++ b/arm_compute/core/CL/kernels/CLSobel5x5Kernel.h
@@ -112,5 +112,5 @@
     bool             _run_sobel_x; /**< Do we need to run sobel X? */
     bool             _run_sobel_y; /**< Do we need to run sobel Y? */
 };
-}
+} // namespace arm_compute
 #endif /*__ARM_COMPUTE_CLSOBEL5X5KERNEL_H__ */