--- xpra-0.14.0/xpra/platform/paths.py
+++ xpra-0.14.0/xpra/platform/paths.py
@@ -22,9 +22,9 @@
 
 def get_system_conf_dir():
     #the system wide configuration directory
-    if sys.prefix == '/usr':
+    if sys.prefix[-4:] == '/usr':
         #default posix config location:
-        default_conf_dir = '/etc/xpra'
+        default_conf_dir = sys.prefix[:-4] + '/etc/xpra'
     else:
         #hope the prefix is something like "/usr/local":
         default_conf_dir = sys.prefix + '/etc/xpra/'
--- xpra-0.14.0/setup.py
+++ xpra-0.14.0/setup.py
@@ -1470,8 +1470,8 @@
         #prepare default [/usr/local]/etc configuration files:
         if '--user' in sys.argv:
             etc_prefix = 'etc/xpra'
-        elif sys.prefix == '/usr':
-            etc_prefix = '/etc/xpra'
+        elif sys.prefix[-4:] == '/usr':
+            etc_prefix = sys.prefix[:-4] + '/etc/xpra'
         else:
             etc_prefix = sys.prefix + '/etc/xpra'