1 files changed, 4 insertions, 4 deletions
diff --git a/src/core/NEON/kernels/arm_gemm/kernels/a64_gemm_u8_4x4.hpp b/src/core/NEON/kernels/arm_gemm/kernels/a64_gemm_u8_4x4.hpp
index 2da3ecd4f8..fda7657b2b 100644
--- a/src/core/NEON/kernels/arm_gemm/kernels/a64_gemm_u8_4x4.hpp
+++ b/src/core/NEON/kernels/arm_gemm/kernels/a64_gemm_u8_4x4.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2018 ARM Limited.
+ * Copyright (c) 2017-2019 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -50,15 +50,15 @@ public:
     static const bool B_transpose = true;
 
     /* Kernel blocking parameters */
-    static int out_width() {
+    static unsigned int out_width() {
         return 4;
     }
 
-    static int out_height() {
+    static unsigned int out_height() {
         return 4;
     }
 
-    static int k_unroll() {
+    static unsigned int k_unroll() {
         return 16;
     }