diff --git a/tests/validation/fixtures/ReductionOperationFixture.h b/tests/validation/fixtures/ReductionOperationFixture.h
index 9079b47..d01f41a 100644
--- a/tests/validation/fixtures/ReductionOperationFixture.h
+++ b/tests/validation/fixtures/ReductionOperationFixture.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2018 ARM Limited.
+ * Copyright (c) 2017-2019 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -107,7 +107,7 @@
         // Fill reference
         fill(src);
 
-        return reference::reduction_operation<T>(src, dst_shape, axis, op);
+        return reference::reduction_operation<T, T>(src, dst_shape, axis, op);
     }
 
     TensorType      _target{};