diff --git a/sharing/BUILD b/sharing/BUILD
index 69b3e50e..464580ac 100644
--- a/sharing/BUILD
+++ b/sharing/BUILD
@@ -862,3 +862,16 @@ cc_test(
         "@com_google_googletest//:gtest_main",
     ],
 )
+
+cc_test(
+    name = "nearby_connections_service_test",
+    srcs = ["nearby_connections_service_test.cc"],
+    deps = [
+        ":connection_types",
+        ":nearby_sharing_service",
+        "//internal/platform:types",
+        "//internal/platform/implementation/g3",  # fixdeps: keep
+        "@com_github_protobuf_matchers//protobuf-matchers",
+        "@com_google_googletest//:gtest_main",
+    ],
+)
diff --git a/sharing/nearby_connections_service.cc b/sharing/nearby_connections_service.cc
index 9ae866ed..0a1b3d6e 100644
--- a/sharing/nearby_connections_service.cc
+++ b/sharing/nearby_connections_service.cc
@@ -43,8 +43,7 @@ Payload ConvertToPayload(NcPayload payload) {
                      std::vector<uint8_t>(data.begin(), data.end()));
     }
     case NcPayloadType::kFile: {
-      std::filesystem::path file_path =
-          std::filesystem::u8path(payload.AsFile()->GetFilePath());
+      std::string file_path = payload.AsFile()->GetFilePath();
       std::string parent_folder = payload.GetParentFolder();
       NL_VLOG(1) << __func__ << ": Payload file_path=" << file_path
                  << ", parent_folder = " << parent_folder;
diff --git a/sharing/nearby_connections_service_test.cc b/sharing/nearby_connections_service_test.cc
new file mode 100644
index 00000000..80bcdc6a
--- /dev/null
+++ b/sharing/nearby_connections_service_test.cc
@@ -0,0 +1,42 @@
+// Copyright 2024 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "sharing/nearby_connections_service.h"
+
+#include "gmock/gmock.h"
+#include "protobuf-matchers/protocol-buffer-matchers.h"
+#include "gtest/gtest.h"
+#include "internal/platform/file.h"
+#include "sharing/nearby_connections_types.h"
+
+namespace nearby::sharing {
+namespace {
+
+using ::testing::Eq;
+
+TEST(NearbyConnectionSharingServicePayloadTest, ConvertBytesToPayload) {
+  Payload payload = ConvertToPayload(NcPayload(1234, NcByteArray("test")));
+  EXPECT_THAT(payload.id, Eq(1234LL));
+  EXPECT_THAT(payload.content.type, Eq(PayloadContent::Type::kBytes));
+}
+
+TEST(NearbyConnectionSharingServicePayloadTest, ConvertFileToPayload) {
+  Payload payload = ConvertToPayload(
+      NcPayload(1234, nearby::InputFile("/为甚么/tmp/test.txt", /*size=*/100)));
+  EXPECT_THAT(payload.id, Eq(1234LL));
+  EXPECT_THAT(payload.content.type, Eq(PayloadContent::Type::kFile));
+}
+
+}  // namespace
+}  // namespace nearby::sharing
diff --git a/sharing/nearby_connections_types.h b/sharing/nearby_connections_types.h
index 6b13694c..1119bd09 100644
--- a/sharing/nearby_connections_types.h
+++ b/sharing/nearby_connections_types.h
@@ -391,7 +391,9 @@ enum class DistanceInfo {
 
 struct InputFile {
   InputFile() = default;
-  explicit InputFile(std::filesystem::path path) { this->path = path; }
+  explicit InputFile(std::string path) {
+    this->path = std::filesystem::u8path(path);
+  }
 
   std::filesystem::path path;
 };
diff --git a/sharing/nearby_connections_types_payload_test.cc b/sharing/nearby_connections_types_payload_test.cc
index ad61274d..abcaff57 100644
--- a/sharing/nearby_connections_types_payload_test.cc
+++ b/sharing/nearby_connections_types_payload_test.cc
@@ -14,8 +14,6 @@
 
 #include "sharing/nearby_connections_types.h"
 
-#include <filesystem>  // NOLINT
-
 #include "gmock/gmock.h"
 #include "protobuf-matchers/protocol-buffer-matchers.h"
 #include "gtest/gtest.h"
@@ -24,21 +22,14 @@ namespace nearby::sharing {
 using ::testing::Eq;
 
 TEST(NearbyConnectionSharingTypesPayloadTest, FromInputFileUTF8) {
-  InputFile input_file(std::filesystem::u8path("/为甚么/tmp/test.txt"));
-  Payload payload(input_file);
-  EXPECT_THAT(payload.id, Eq(7724502655048749887LL));
-  EXPECT_THAT(payload.content.type, Eq(PayloadContent::Type::kFile));
-}
-
-TEST(NearbyConnectionSharingTypesPayloadTest, FromInputFileUTF16) {
-  InputFile input_file(std::filesystem::path(L"/为甚么/tmp/test.txt"));
+  InputFile input_file("/为甚么/tmp/test.txt");
   Payload payload(input_file);
   EXPECT_THAT(payload.id, Eq(7724502655048749887LL));
   EXPECT_THAT(payload.content.type, Eq(PayloadContent::Type::kFile));
 }
 
 TEST(NearbyConnectionSharingTypesPayloadTest, FromInputFileWithId) {
-  InputFile input_file(std::filesystem::u8path("/为甚么/tmp/test.txt"));
+  InputFile input_file("/为甚么/tmp/test.txt");
   Payload payload(1234, input_file);
   EXPECT_THAT(payload.id, Eq(1234LL));
   EXPECT_THAT(payload.content.type, Eq(PayloadContent::Type::kFile));