diff --git a/oss-internship-2020/libtiff/example/main_sandboxed.cc b/oss-internship-2020/libtiff/example/main_sandboxed.cc
index 11e8a9e..ec29762 100644
--- a/oss-internship-2020/libtiff/example/main_sandboxed.cc
+++ b/oss-internship-2020/libtiff/example/main_sandboxed.cc
@@ -165,7 +165,7 @@ std::string GetFilePath(const absl::string_view filename) {
   return sandbox2::file::JoinPath(project_path, "test", "images", filename);
 }
 
-absl::Status LibTIFFMain(const absl::string_view srcfile) {
+absl::Status LibTIFFMain(const std::string& srcfile) {
   // to use dir and file inside sapi-libtiff, use
   // sandbox(file) – file only -- or
   // sandbox(file, dir) -- file and dir -- or
@@ -180,7 +180,7 @@ absl::Status LibTIFFMain(const absl::string_view srcfile) {
   SAPI_RETURN_IF_ERROR(sandbox.Init());
 
   TiffApi api(&sandbox);
-  sapi::v::ConstCStr srcfile_var(srcfile.data());
+  sapi::v::ConstCStr srcfile_var(srcfile.c_str());
   sapi::v::ConstCStr r_var("r");
 
   absl::StatusOr<TIFF*> status_or_tif;
diff --git a/oss-internship-2020/libtiff/sandboxed.h b/oss-internship-2020/libtiff/sandboxed.h
index 9015522..031c633 100644
--- a/oss-internship-2020/libtiff/sandboxed.h
+++ b/oss-internship-2020/libtiff/sandboxed.h
@@ -24,8 +24,8 @@ namespace {
 
 class TiffSapiSandbox : public TiffSandbox {
  public:
-  TiffSapiSandbox(std::optional<absl::string_view> file = std::nullopt,
-                  std::optional<absl::string_view> dir = std::nullopt)
+  TiffSapiSandbox(std::optional<std::string> file = std::nullopt,
+                  std::optional<std::string> dir = std::nullopt)
       : file_(std::move(file)), dir_(std::move(dir)) {}
 
  private:
@@ -61,8 +61,8 @@ class TiffSapiSandbox : public TiffSandbox {
     return builder.get()->BuildOrDie();
   }
 
-  std::optional<absl::string_view> file_;
-  std::optional<absl::string_view> dir_;
+  std::optional<std::string> file_;
+  std::optional<std::string> dir_;
 };
 
 }  // namespace