diff --git a/inference-engine/tests/functional/plugin/cpu/shared_tests_instances/single_layer_tests/variadic_split.cpp b/inference-engine/tests/functional/plugin/cpu/shared_tests_instances/single_layer_tests/variadic_split.cpp
index cc3e7390cb2701..4107fb1497b3f2 100644
--- a/inference-engine/tests/functional/plugin/cpu/shared_tests_instances/single_layer_tests/variadic_split.cpp
+++ b/inference-engine/tests/functional/plugin/cpu/shared_tests_instances/single_layer_tests/variadic_split.cpp
@@ -17,12 +17,12 @@ namespace {
     };
 
     // Sum of elements numSplits = inputShapes[Axis]
-    const std::vector<std::vector<size_t>> numSplits = {
+    const std::vector<std::vector<int32_t>> numSplits = {
             {1, 16, 5, 8},
             {2, 19, 5, 4},
             {7, 13, 2, 8},
             {5, 8, 12, 5},
-            {4, 11, 6, 9}
+            {4, 11, -1, 9}
     };
 
     INSTANTIATE_TEST_CASE_P(smoke_NumSplitsCheck, VariadicSplitLayerTest,