diff --git a/dpbench/benchmarks/default/knn/knn_sycl_native_ext/knn_sycl/_knn_kernel.hpp b/dpbench/benchmarks/default/knn/knn_sycl_native_ext/knn_sycl/_knn_kernel.hpp
index 11a84997..736cd349 100644
--- a/dpbench/benchmarks/default/knn/knn_sycl_native_ext/knn_sycl/_knn_kernel.hpp
+++ b/dpbench/benchmarks/default/knn/knn_sycl_native_ext/knn_sycl/_knn_kernel.hpp
@@ -34,7 +34,7 @@ sycl::event knn_impl(sycl::queue q,
 
                 // here k has to be 5 in order to match with numpy no. of
                 // neighbors
-                struct neighbors<FpTy> queue_neighbors[5];
+                struct neighbors<FpTy> queue_neighbors[5] = {0.0, 0};
 
                 // count distances
                 for (size_t j = 0; j < k; ++j) {