diff --git a/mslib/mscolab/mscolab.py b/mslib/mscolab/mscolab.py
index 0d33b17dd..70ff78c2a 100644
--- a/mslib/mscolab/mscolab.py
+++ b/mslib/mscolab/mscolab.py
@@ -101,9 +101,10 @@ def handle_mscolab_certificate_init():
 
     try:
         cmd = ["openssl", "req", "-newkey", "rsa:4096", "-keyout",
-               f"{mscolab_settings.MSCOLAB_SSO_DIR}/key_mscolab.key",
+               os.path.join(mscolab_settings.MSCOLAB_SSO_DIR, "key_mscolab.key"),
                "-nodes", "-x509", "-days", "365", "-batch", "-subj",
-               "/CN=localhost", "-out", f"{mscolab_settings.MSCOLAB_SSO_DIR}/crt_mscolab.crt"]
+               "/CN=localhost", "-out", os.path.join(mscolab_settings.MSCOLAB_SSO_DIR,
+                                                     "crt_mscolab.crt")]
         subprocess.run(cmd, check=True)
         logging.info("generated CRTs for the mscolab server.")
         return True
@@ -117,9 +118,9 @@ def handle_local_idp_certificate_init():
 
     try:
         cmd = ["openssl", "req", "-newkey", "rsa:4096", "-keyout",
-               f"{mscolab_settings.MSCOLAB_SSO_DIR}/key_local_idp.key",
+               os.path.join(mscolab_settings.MSCOLAB_SSO_DIR, "key_local_idp.key"),
                "-nodes", "-x509", "-days", "365", "-batch", "-subj",
-               "/CN=localhost", "-out", f"{mscolab_settings.MSCOLAB_SSO_DIR}/crt_local_idp.crt"]
+               "/CN=localhost", "-out", os.path.join(mscolab_settings.MSCOLAB_SSO_DIR, "crt_local_idp.crt")]
         subprocess.run(cmd, check=True)
         logging.info("generated CRTs for the local identity provider")
         return True
@@ -250,7 +251,7 @@ def handle_mscolab_backend_yaml_init():
   #       name_id_format_allow_create: true
 """
     try:
-        file_path = f"{mscolab_settings.MSCOLAB_SSO_DIR}/mss_saml2_backend.yaml"
+        file_path = os.path.join(mscolab_settings.MSCOLAB_SSO_DIR, "mss_saml2_backend.yaml")
         with open(file_path, "w", encoding="utf-8") as file:
             file.write(saml_2_backend_yaml_content)
         return True
@@ -271,14 +272,15 @@ def handle_mscolab_metadata_init(repo_exists):
     print('generating metadata file for the mscolab server')
 
     try:
-        command = ["python", "mslib/mscolab/mscolab.py", "start"] if repo_exists else ["mscolab", "start"]
+        command = ["python", os.path.join("mslib", "mscolab", "mscolab.py"),
+                   "start"] if repo_exists else ["mscolab", "start"]
         process = subprocess.Popen(command)
 
         # Add a small delay to allow the server to start up
         time.sleep(10)
 
         cmd_curl = ["curl", "http://localhost:8083/metadata/localhost_test_idp",
-                    "-o", f"{mscolab_settings.MSCOLAB_SSO_DIR}/metadata_sp.xml"]
+                    "-o", os.path.join(mscolab_settings.MSCOLAB_SSO_DIR, "metadata_sp.xml")]
         subprocess.run(cmd_curl, check=True)
         process.terminate()
         logging.info('mscolab metadata file generated succesfully')
@@ -293,27 +295,27 @@ def handle_local_idp_metadata_init(repo_exists):
     print('generating metadata for localhost identity provider')
 
     try:
-        if os.path.exists(f"{mscolab_settings.MSCOLAB_SSO_DIR}/idp.xml"):
-            os.remove(f"{mscolab_settings.MSCOLAB_SSO_DIR}/idp.xml")
+        if os.path.exists(os.path.join(mscolab_settings.MSCOLAB_SSO_DIR, "idp.xml")):
+            os.remove(os.path.join(mscolab_settings.MSCOLAB_SSO_DIR, "idp.xml"))
 
-        idp_conf_path = "mslib/msidp/idp_conf.py"
+        idp_conf_path = os.path.join("mslib", "msidp", "idp_conf.py")
 
         if not repo_exists:
             import site
             site_packages_path = site.getsitepackages()[0]
-            idp_conf_path = os.path.join(site_packages_path, "mslib/msidp/idp_conf.py")
+            idp_conf_path = os.path.join(site_packages_path, "mslib", "msidp", "idp_conf.py")
 
         cmd = ["make_metadata", idp_conf_path]
 
-        with open(f"{mscolab_settings.MSCOLAB_SSO_DIR}/idp.xml",
+        with open(os.path.join(mscolab_settings.MSCOLAB_SSO_DIR, "idp.xml"),
                   "w", encoding="utf-8") as output_file:
             subprocess.run(cmd, stdout=output_file, check=True)
         logging.info("idp metadata file generated succesfully")
         return True
     except subprocess.CalledProcessError as error:
         # Delete the idp.xml file when the subprocess fails
-        if os.path.exists(f"{mscolab_settings.MSCOLAB_SSO_DIR}/idp.xml"):
-            os.remove(f"{mscolab_settings.MSCOLAB_SSO_DIR}/idp.xml")
+        if os.path.exists(os.path.join(mscolab_settings.MSCOLAB_SSO_DIR, "idp.xml")):
+            os.remove(os.path.join(mscolab_settings.MSCOLAB_SSO_DIR, "idp.xml"))
         print(f"Error while generating metadata for localhost identity provider: {error}")
         return False