diff --git a/dpbench/benchmarks/default/knn/knn_initialize.py b/dpbench/benchmarks/default/knn/knn_initialize.py
index 720b4348..2e76a31f 100644
--- a/dpbench/benchmarks/default/knn/knn_initialize.py
+++ b/dpbench/benchmarks/default/knn/knn_initialize.py
@@ -41,6 +41,6 @@ def _gen_test_data(test_size, data_dim, seed_test, dtype):
     )
     x_test = _gen_test_data(test_size, data_dim, seed_test, dtype)
     predictions = np.empty(test_size, types_dict["int"])
-    votes_to_classes = np.zeros((test_size, classes_num), dtype)
+    votes_to_classes = np.zeros((test_size, classes_num), types_dict["int"])
 
     return (x_train, y_train, x_test, predictions, votes_to_classes)
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 63db7a5a..75cccd3b 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
@@ -23,7 +23,7 @@ sycl::event knn_impl(sycl::queue q,
                      size_t train_size,
                      size_t test_size,
                      IntTy *d_predictions,
-                     FpTy *d_votes_to_classes,
+                     IntTy *d_votes_to_classes,
                      size_t data_dim)
 {
     sycl::event partial_hists_ev = q.submit([&](sycl::handler &h) {
@@ -100,11 +100,11 @@ sycl::event knn_impl(sycl::queue q,
 
                 // simple vote
                 for (size_t j = 0; j < k; ++j) {
-		  d_votes_to_classes[(i*classes_num) + (queue_neighbors[j].label)] += 1.0;
+		  d_votes_to_classes[(i*classes_num) + (queue_neighbors[j].label)] += 1;
                 }
 
                 IntTy max_ind = 0;
-                FpTy max_value = 0.0;
+                IntTy max_value = 0.0;
 
                 for (IntTy j = 0; j < (IntTy)classes_num; ++j) {
                     if (d_votes_to_classes[i * classes_num + j] > max_value) {
diff --git a/dpbench/benchmarks/default/knn/knn_sycl_native_ext/knn_sycl/_knn_sycl.cpp b/dpbench/benchmarks/default/knn/knn_sycl_native_ext/knn_sycl/_knn_sycl.cpp
index 97938bb0..7976c4b8 100644
--- a/dpbench/benchmarks/default/knn/knn_sycl_native_ext/knn_sycl/_knn_sycl.cpp
+++ b/dpbench/benchmarks/default/knn/knn_sycl_native_ext/knn_sycl/_knn_sycl.cpp
@@ -46,7 +46,7 @@ void knn_sync(dpctl::tensor::usm_ndarray x_train,
             y_train.get_data<size_t>(), x_test.get_data<float>(), k,
             classes_num, train_size, test_size,
             predictions.get_data<unsigned int>(),
-            votes_to_classes.get_data<float>(), data_dim);
+            votes_to_classes.get_data<unsigned int>(), data_dim);
         res_ev.wait();
     }
     else if (typenum == UAR_DOUBLE) {
@@ -54,7 +54,7 @@ void knn_sync(dpctl::tensor::usm_ndarray x_train,
             x_train.get_queue(), x_train.get_data<double>(),
             y_train.get_data<size_t>(), x_test.get_data<double>(), k,
             classes_num, train_size, test_size, predictions.get_data<size_t>(),
-            votes_to_classes.get_data<double>(), data_dim);
+            votes_to_classes.get_data<size_t>(), data_dim);
         res_ev.wait();
     }
     else {