diff --git a/tools/python/mbed_platformio/build_mbed_ce.py b/tools/python/mbed_platformio/build_mbed_ce.py
index 27233bf112d..556c971078c 100644
--- a/tools/python/mbed_platformio/build_mbed_ce.py
+++ b/tools/python/mbed_platformio/build_mbed_ce.py
@@ -93,7 +93,7 @@ def is_cmake_reconfigure_required():
     ninja_buildfile = BUILD_DIR / "build.ninja"
 
     if not cmake_cache_file.exists():
-        print("Mbed CE: Reconfigure required because CMake cache does not exist")
+        print(f"Mbed CE: Reconfigure required because CMake cache does not exist")
         return True
     if not CMAKE_API_REPLY_DIR.is_dir() or not any(CMAKE_API_REPLY_DIR.iterdir()):
         print("Mbed CE: Reconfigure required because CMake API reply dir is missing")
@@ -253,7 +253,7 @@ def get_app_defines(app_config: dict):
         "-DUPLOAD_METHOD=NONE", # Disable Mbed CE upload method system as PlatformIO has its own
     ]
     + click.parser.split_arg_string(board.get("build.cmake_extra_args", "")),
-)
+    )
 
 if not project_codemodel:
     sys.stderr.write("Error: Couldn't find code model generated by CMake\n")
@@ -282,8 +282,9 @@ def get_app_defines(app_config: dict):
 
 # Link the main Mbed OS library using -Wl,--whole-archive. This is needed for the resolution of weak symbols
 # within this archive.
-link_args = ["-Wl,--whole-archive", "$BUILD_DIR\\mbed-os\\libmbed-os.a", "-Wl,--no-whole-archive"]
-env.Depends("$BUILD_DIR/$PROGNAME$PROGSUFFIX", "$BUILD_DIR\\mbed-os\\libmbed-os.a")
+mbed_ce_lib_path = pathlib.Path("$BUILD_DIR") / "mbed-os" / "libmbed-os.a"
+link_args = ["-Wl,--whole-archive", '"' + str(mbed_ce_lib_path) + '"', "-Wl,--no-whole-archive"]
+env.Depends("$BUILD_DIR/$PROGNAME$PROGSUFFIX", str(mbed_ce_lib_path))
 
 # Get other linker flags from Mbed. We want these to appear after the application objects and Mbed libraries
 # because they contain the C/C++ library link flags.
diff --git a/tools/python/mbed_platformio/cmake_to_scons_converter.py b/tools/python/mbed_platformio/cmake_to_scons_converter.py
index f733c3791a0..19e7a02775a 100644
--- a/tools/python/mbed_platformio/cmake_to_scons_converter.py
+++ b/tools/python/mbed_platformio/cmake_to_scons_converter.py
@@ -136,11 +136,11 @@ def _get_flags_for_compile_group(compile_group_json: dict) -> list[str]:
     """
     flags = []
     for ccfragment in compile_group_json["compileCommandFragments"]:
-        fragment = ccfragment.get("fragment", "").strip("\" ")
+        fragment = ccfragment.get("fragment", "").strip()
         if not fragment or fragment.startswith("-D"):
             continue
         flags.extend(
-            click.parser.split_arg_string(fragment.strip())
+            click.parser.split_arg_string(fragment)
         )
     return flags