diff --git a/oss-internship-2020/sapi_lodepng/CMakeLists.txt b/oss-internship-2020/sapi_lodepng/CMakeLists.txt
index 049f278..d5ae5e3 100644
--- a/oss-internship-2020/sapi_lodepng/CMakeLists.txt
+++ b/oss-internship-2020/sapi_lodepng/CMakeLists.txt
@@ -26,8 +26,10 @@ add_library(lodepng STATIC
 )
 
 # Build SAPI library
+#set(SAPI_ROOT "" CACHE PATH "Path to the Sandboxed API source tree")
 set(SAPI_ROOT "/usr/local/google/home/amedar/internship/sandboxed-api" CACHE PATH "Path to the Sandboxed API source tree")
 
+
 add_subdirectory("${SAPI_ROOT}"
   "${CMAKE_BINARY_DIR}/sandboxed-api-build"
   EXCLUDE_FROM_ALL
diff --git a/oss-internship-2020/sapi_lodepng/examples/CMakeLists.txt b/oss-internship-2020/sapi_lodepng/examples/CMakeLists.txt
index 0a09f10..5df00f8 100644
--- a/oss-internship-2020/sapi_lodepng/examples/CMakeLists.txt
+++ b/oss-internship-2020/sapi_lodepng/examples/CMakeLists.txt
@@ -13,11 +13,11 @@
 # limitations under the License.
 
 # Build the unsandboxed main
-add_executable(lodepng_normal
-  main.cc
+add_executable(lodepng_unsandboxed
+  main_unsandboxed.cc
+)
 
-  )
-target_link_libraries(lodepng_normal PRIVATE
+target_link_libraries(lodepng_unsandboxed PRIVATE
   lodepng
 )
 
diff --git a/oss-internship-2020/sapi_lodepng/examples/main_sandboxed.cc b/oss-internship-2020/sapi_lodepng/examples/main_sandboxed.cc
index a08afcc..3b9413f 100644
--- a/oss-internship-2020/sapi_lodepng/examples/main_sandboxed.cc
+++ b/oss-internship-2020/sapi_lodepng/examples/main_sandboxed.cc
@@ -19,8 +19,6 @@
 #include "sandbox.h"
 #include "sandboxed_api/util/flag.h"
 
-ABSL_DECLARE_FLAG(string, sandbox2_danger_danger_permit_all);
-ABSL_DECLARE_FLAG(string, sandbox2_danger_danger_permit_all_and_log);
 ABSL_FLAG(string, images_path, std::filesystem::current_path().string(),
           "path to the folder containing test images");
 
@@ -41,8 +39,7 @@ void generate_one_step(SapiLodepngSandbox &sandbox, LodepngApi &api) {
   // encode the image
   sapi::v::Array<unsigned char> sapi_image(image.data(), img_len);
   sapi::v::UInt sapi_width(width), sapi_height(height);
-  std::string filename = "/output/out_generated1.png";
-  sapi::v::ConstCStr sapi_filename(filename.c_str());
+  sapi::v::ConstCStr sapi_filename("/output/out_generated1.png");
 
   sapi::StatusOr<unsigned int> result = api.lodepng_encode32_file(
       sapi_filename.PtrBefore(), sapi_image.PtrBefore(), sapi_width.GetValue(),
@@ -110,8 +107,7 @@ void generate_two_steps(SapiLodepngSandbox &sandbox, LodepngApi &api) {
   // encode the image into memory first
   sapi::v::Array<unsigned char> sapi_image(image.data(), img_len);
   sapi::v::UInt sapi_width(width), sapi_height(height);
-  std::string filename = "/output/out_generated2.png";
-  sapi::v::ConstCStr sapi_filename(filename.c_str());
+  sapi::v::ConstCStr sapi_filename("/output/out_generated2.png");
 
   sapi::v::ULLong sapi_pngsize;
   sapi::v::IntBase<unsigned char *> sapi_png_ptr(0);
@@ -197,9 +193,7 @@ void generate_two_steps(SapiLodepngSandbox &sandbox, LodepngApi &api) {
 int main(int argc, char *argv[]) {
   gflags::ParseCommandLineFlags(&argc, &argv, true);
 
-  std::string images_path(absl::GetFlag(FLAGS_images_path));
-
-  SapiLodepngSandbox sandbox(images_path);
+  SapiLodepngSandbox sandbox(absl::GetFlag(FLAGS_images_path));
   assert(sandbox.Init().ok());
 
   LodepngApi api(&sandbox);
diff --git a/oss-internship-2020/sapi_lodepng/examples/main_unit_test.cc b/oss-internship-2020/sapi_lodepng/examples/main_unit_test.cc
index 68be057..bd71525 100644
--- a/oss-internship-2020/sapi_lodepng/examples/main_unit_test.cc
+++ b/oss-internship-2020/sapi_lodepng/examples/main_unit_test.cc
@@ -25,7 +25,7 @@ using testing::NotNull;
 namespace {
 
 // use the current path
-std::string images_path = std::filesystem::current_path().string();
+const std::string images_path = std::filesystem::current_path().string();
 
 TEST(initSandbox, basic) {
   SapiLodepngSandbox sandbox(images_path);
@@ -56,8 +56,7 @@ TEST(generate_image, encode_decode_compare_one_step) {
   // encode the image
   sapi::v::Array<unsigned char> sapi_image(image.data(), img_len);
   sapi::v::UInt sapi_width(width), sapi_height(height);
-  std::string filename = "/output/out_generated1.png";
-  sapi::v::ConstCStr sapi_filename(filename.c_str());
+  sapi::v::ConstCStr sapi_filename("/output/out_generated1.png");
 
   SAPI_ASSERT_OK_AND_ASSIGN(
       unsigned int result,
@@ -134,8 +133,7 @@ TEST(generate_image, encode_decode_compare_two_steps) {
   // encode the image into memory first
   sapi::v::Array<unsigned char> sapi_image(image.data(), img_len);
   sapi::v::UInt sapi_width(width), sapi_height(height);
-  std::string filename = "/output/out_generated2.png";
-  sapi::v::ConstCStr sapi_filename(filename.c_str());
+  sapi::v::ConstCStr sapi_filename("/output/out_generated2.png");
 
   sapi::v::ULLong sapi_pngsize;
   sapi::v::IntBase<unsigned char *> sapi_png_ptr(0);
diff --git a/oss-internship-2020/sapi_lodepng/examples/main.cc b/oss-internship-2020/sapi_lodepng/examples/main_unsandboxed.cc
similarity index 93%
rename from oss-internship-2020/sapi_lodepng/examples/main.cc
rename to oss-internship-2020/sapi_lodepng/examples/main_unsandboxed.cc
index a871f43..9d0aa64 100644
--- a/oss-internship-2020/sapi_lodepng/examples/main.cc
+++ b/oss-internship-2020/sapi_lodepng/examples/main_unsandboxed.cc
@@ -33,7 +33,7 @@ void generate_one_step(const std::string &images_path) {
   }
 
   // encode the image
-  std::string filename = images_path + "/out_generated1.png";
+  const std::string filename = images_path + "/out_generated1.png";
   unsigned int result =
       lodepng_encode32_file(filename.c_str(), image.data(), width, height);
 
@@ -74,7 +74,7 @@ void generate_two_steps(const std::string &images_path) {
   }
 
   // encode the image into memory first
-  std::string filename = images_path + "/out_generated2.png";
+  const std::string filename = images_path + "/out_generated2.png";
   unsigned char *png;
   size_t pngsize;
 
@@ -113,7 +113,7 @@ void generate_two_steps(const std::string &images_path) {
 }
 
 int main(int argc, char *argv[]) {
-  std::string images_path = std::filesystem::current_path().string();
+  const std::string images_path = std::filesystem::current_path().string();
 
   generate_one_step(images_path);
   generate_two_steps(images_path);
diff --git a/oss-internship-2020/sapi_lodepng/examples/sandbox.h b/oss-internship-2020/sapi_lodepng/examples/sandbox.h
index 6317d6d..a3658cc 100644
--- a/oss-internship-2020/sapi_lodepng/examples/sandbox.h
+++ b/oss-internship-2020/sapi_lodepng/examples/sandbox.h
@@ -43,7 +43,7 @@ class SapiLodepngSandbox : public LodepngSandbox {
   }
 
  private:
-  std::string images_path_;
+  const std::string images_path_;
 };
 
 #endif  // SAPI_LODEPNG_SANDBOX_H_
\ No newline at end of file