diff --git a/tests/validation/fixtures/DepthwiseConvolutionLayerFixture.h b/tests/validation/fixtures/DepthwiseConvolutionLayerFixture.h
index 9cd60cc..09f8cb4 100644
--- a/tests/validation/fixtures/DepthwiseConvolutionLayerFixture.h
+++ b/tests/validation/fixtures/DepthwiseConvolutionLayerFixture.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2020 Arm Limited.
+ * Copyright (c) 2017-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -99,7 +99,7 @@
             }
             case DataType::F16:
             {
-                arm_compute::utils::uniform_real_distribution_fp16 distribution{ half(-1.0f), half(1.0f) };
+                arm_compute::utils::uniform_real_distribution_fp16 distribution{ -1.0f, 1.0f };
                 library->fill(tensor, distribution, i);
                 break;
             }
@@ -354,7 +354,7 @@
             }
             case DataType::F16:
             {
-                arm_compute::utils::uniform_real_distribution_fp16 distribution{ half(-1.0f), half(1.0f) };
+                arm_compute::utils::uniform_real_distribution_fp16 distribution{ -1.0f, 1.0f };
                 library->fill(tensor, distribution, i);
                 break;
             }