diff --git a/msys.py b/msys.py
index 7369b4f..6f5c0b4 100644
--- a/msys.py
+++ b/msys.py
@@ -4,7 +4,6 @@ ARCHIVE = '.tar.xz'
 ARCHITECTURE = 'x86_64'
 CATALOG = '.files'
 CHARSET = 'u8'
-CRT = 'mingw'
 DISTRIBUTION = 'distrib'
 REPOSITORY = 'https://repo.msys2.org'
 SIGNATURE = '.sig'
@@ -26,16 +25,6 @@ def get_distribution(architecture):
     return os.path.join(DISTRIBUTION, architecture.name)
 
 
-def get_subsystem(architecture, subsystem):
-    list = []
-    if subsystem != SUBSYSTEM:
-        list.append(CRT)
-    list.append(subsystem)
-    if subsystem == SUBSYSTEM:
-        list.append(architecture.name)
-    return os.sep.join(list)
-
-
 def get_subsystems(architecture, families):
     list = []
     for family in families:
diff --git a/remote.py b/remote.py
index 68e9f5e..7a8d865 100644
--- a/remote.py
+++ b/remote.py
@@ -25,8 +25,8 @@ class Remote(repository.Repository):
             c[architecture] = {}
             for subsystem in subsystems:
                 location = os.path.join(self.location,
-                                        msys.get_subsystem(architecture,
-                                                           subsystem),
+                                        architecture.subsystems[subsystem]
+                                        .path,
                                         f'{subsystem}{msys.CATALOG}')
                 binary = requests.get(location).content
                 c[architecture][subsystem] = catalog.Catalog(binary)
diff --git a/subsystem.py b/subsystem.py
index 3f34b71..cae4ed0 100644
--- a/subsystem.py
+++ b/subsystem.py
@@ -1,5 +1,6 @@
 import os
 
+CRT = 'mingw'
 MAIN = 'msys'
 
 FAMILIES = [MAIN, 'clang', 'mingw', 'ucrt']
@@ -9,10 +10,19 @@ class SubSystem:
     def __init__(self, architecture, name):
         self.architecture = architecture
         self.name = name
+        # path
+        list = []
+        if self.name != MAIN:
+            list.append(CRT)
+        list.append(self.name)
+        if self.name == MAIN:
+            list.append(self.architecture.name)
+        self.path = os.sep.join(list)
 
     def __str__(self):
         lines = [
             f'Architecture: {self.architecture.name}',
             f'        Name: {self.name}',
+            f'        Path: {self.path}',
         ]
         return os.linesep.join(lines)
diff --git a/synchronization.py b/synchronization.py
index 3899624..85be065 100644
--- a/synchronization.py
+++ b/synchronization.py
@@ -4,7 +4,6 @@ import shutil
 import arguments
 import file
 import local
-import msys
 import remote
 
 
@@ -19,7 +18,7 @@ class Synchronization:
         for architecture in self.remote.architectures:
             for subsystem in architecture.subsystems.keys():
                 catalog = self.remote.catalogs[architecture][subsystem]
-                path = msys.get_subsystem(architecture, subsystem)
+                path = architecture.subsystems[subsystem].path
                 for _, package in sorted(catalog.packages.items()):
                     f = file.File(
                         os.path.join(self.remote.location, path),