Index: xpra-0.10.1/setup.py
===================================================================
--- xpra-0.10.1.orig/setup.py
+++ xpra-0.10.1/setup.py
@@ -896,8 +896,8 @@ else:
             return {}
     if "install" in sys.argv:
         #prepare default [/usr/local]/etc configuration files:
-        if sys.prefix == '/usr':
-            etc_prefix = '/etc/xpra'
+        if sys.prefix[-4:] == '/usr':
+            etc_prefix = sys.prefix[:-4] + '/etc/xpra'
         else:
             etc_prefix = sys.prefix + '/etc/xpra'
 
Index: xpra-0.10.1/xpra/scripts/config.py
===================================================================
--- xpra-0.10.1.orig/xpra/scripts/config.py
+++ xpra-0.10.1/xpra/scripts/config.py
@@ -344,8 +344,8 @@ def read_xpra_defaults():
     #first, read the global defaults:
     if sys.platform.startswith("win"):
         conf_dir = os.path.dirname(os.path.abspath(sys.executable))
-    elif sys.prefix == '/usr':
-        conf_dir = '/etc/xpra'
+    elif sys.prefix[-4:] == '/usr':
+        conf_dir = sys.prefix[:-4] + '/etc/xpra'
     else:
         conf_dir = sys.prefix + '/etc/xpra/'
     defaults = read_xpra_conf(conf_dir)