diff --git a/tests/validation/fixtures/DirectConvolutionLayerFixture.h b/tests/validation/fixtures/DirectConvolutionLayerFixture.h
index 1967e8d..8e4de77 100644
--- a/tests/validation/fixtures/DirectConvolutionLayerFixture.h
+++ b/tests/validation/fixtures/DirectConvolutionLayerFixture.h
@@ -109,7 +109,7 @@
             }
             case DataType::F16:
             {
-                arm_compute::utils::uniform_real_distribution_fp16 distribution{ -1.0f, 1.0f };
+                arm_compute::utils::uniform_real_distribution_16bit<half> distribution{ -1.0f, 1.0f };
                 library->fill(tensor, distribution, i);
                 break;
             }