diff --git a/src/cygapt/cygapt.py b/src/cygapt/cygapt.py
index c672b0c..74acbf4 100644
--- a/src/cygapt/cygapt.py
+++ b/src/cygapt/cygapt.py
@@ -111,7 +111,7 @@ def __init__(self,
             self.__rc.mirror = main_mirror;
             self.__downloadDir = os.path.join(
                 self.__rc.cache,
-                urllib.quote(self.__rc.mirror, '').lower()
+                urllib.quote(self.__rc.mirror.rstrip('/')+'/', '').lower()
             );
 
         if (main_distname):
@@ -1244,7 +1244,7 @@ def getRessource(self, filename):
         self.__rc.cache = self.__pm.mapPath(self.__rc.cache);
         self.__downloadDir = os.path.join(
             self.__rc.cache,
-            urllib.quote(self.__rc.mirror, '').lower()
+            urllib.quote(self.__rc.mirror.rstrip('/')+'/', '').lower()
         );
         self.__installedDbFile = os.path.join(self.__setupDir, "installed.db");
 
diff --git a/src/cygapt/setup.py b/src/cygapt/setup.py
index 33152a7..23bfabe 100644
--- a/src/cygapt/setup.py
+++ b/src/cygapt/setup.py
@@ -251,7 +251,7 @@ def setup(self, force=False):
 
         setupIniPath = os.path.join(
             self.__pm.mapPath(self.__rc.cache),
-            urllib.quote(self.__rc.mirror, '').lower(),
+            urllib.quote(self.__rc.mirror.rstrip('/')+'/', '').lower(),
             self.__arch,
             'setup.ini',
         );
@@ -399,7 +399,7 @@ def update(self, cyg_apt_rc, verify, main_mirror=None):
 
         downloads = os.path.join(
             self.__pm.mapPath(self.__rc.cache),
-            urllib.quote(mirror, '').lower(),
+            urllib.quote(mirror.rstrip('/')+'/', '').lower(),
             platform_dir,
         );