diff --git a/modules/custom_operations/user_ie_extensions/tokenizer/CMakeLists.txt b/modules/custom_operations/user_ie_extensions/tokenizer/CMakeLists.txt
index 5b13dcabc..0d0cb7053 100644
--- a/modules/custom_operations/user_ie_extensions/tokenizer/CMakeLists.txt
+++ b/modules/custom_operations/user_ie_extensions/tokenizer/CMakeLists.txt
@@ -65,6 +65,7 @@ target_include_directories(${TARGET_NAME} PRIVATE
   # fast_tokenizer
   "${fast_tokenizer_SOURCE_DIR}/fast_tokenizer"
   "${CMAKE_BINARY_DIR}/third_party/dart/src/extern_dart/include/"
+  "${CMAKE_BINARY_DIR}/third_party/json/src/extern_json/single_include/"
   "${CMAKE_BINARY_DIR}/third_party/install/re2/include/")
 
 if(CMAKE_CL_64)
diff --git a/modules/custom_operations/user_ie_extensions/tokenizer/string_tensor_unpack.cpp b/modules/custom_operations/user_ie_extensions/tokenizer/string_tensor_unpack.cpp
index ec9e22bb5..bd1320f44 100644
--- a/modules/custom_operations/user_ie_extensions/tokenizer/string_tensor_unpack.cpp
+++ b/modules/custom_operations/user_ie_extensions/tokenizer/string_tensor_unpack.cpp
@@ -25,15 +25,18 @@ void StringTensorUnpack::validate_and_infer_types() {
     // - when string tensor is passed and we are after the hack in CPU (element::u8) and
     // - when stirng tensor is not really used, and we expect a packed string tensor in this case (element::u8)
 
-    OPENVINO_ASSERT(
 #if OPENVINO_ELEMENT_STRING_SUPPORTED
+    OPENVINO_ASSERT(
         get_input_element_type(0) == element::string ||
+        get_input_element_type(0) == element::dynamic,
+        "Type of StringTensorUnpack input is expected to be element::string before a model compilation or element::u8 after the compilation or when element::string is not supported");
 #endif
 #if OPENVINO_USE_INPUT_OUTPUT_STRING_TENSOR_HACK || !USE_STRING_TENSORS
+    OPENVINO_ASSERT(
         get_input_element_type(0) == element::u8 ||
-#endif
         get_input_element_type(0) == element::dynamic,
         "Type of StringTensorUnpack input is expected to be element::string before a model compilation or element::u8 after the compilation or when element::string is not supported");
+#endif
 
 #if OPENVINO_ELEMENT_STRING_SUPPORTED
     if(get_input_element_type(0) == element::string) {
diff --git a/modules/custom_operations/user_ie_extensions/tokenizer/vocab_decoder.cpp b/modules/custom_operations/user_ie_extensions/tokenizer/vocab_decoder.cpp
index 310bd99fa..1d173abce 100644
--- a/modules/custom_operations/user_ie_extensions/tokenizer/vocab_decoder.cpp
+++ b/modules/custom_operations/user_ie_extensions/tokenizer/vocab_decoder.cpp
@@ -33,8 +33,7 @@ bool VocabDecoder::evaluate(ov::TensorVector& outputs, const ov::TensorVector& i
     OPENVINO_ASSERT(inputs.size() == 4, "Too few inputs passed to VocabDecoder, it means it is not converted properly or it is not used in the supported pattern");
 
     for(size_t id = 0; id < vocab_size; ++id) {
-        std::vector<uint8_t> token = std::vector(vocab_chars + vocab_begins[id], vocab_chars + vocab_ends[id]);
-        vocab[id] = token;
+        vocab[id] = std::vector<uint8_t>(vocab_chars + vocab_begins[id], vocab_chars + vocab_ends[id]);
     }
     // Set output shapes
     outputs[0].set_shape({batch_size});