diff --git a/app.wsgi b/app.wsgi
index e646011..ea88af5 100644
--- a/app.wsgi
+++ b/app.wsgi
@@ -12,6 +12,10 @@ sys.path.append(".")
 activate_this = os.environ['HOME']+'/.virtualenv/rophako/bin/activate_this.py'
 execfile(activate_this, dict(__file__=activate_this))
 
-from rophako.app import app as application
+def application(environ, start_response):
+    if "ROPHAKO_SETTINGS" in environ:
+        os.environ["ROPHAKO_SETTINGS"] = environ["ROPHAKO_SETTINGS"]
+    from rophako.app import app as _application
+    return _application(environ, start_response)
 
 # vim:ft=python
diff --git a/rophako/settings.py b/rophako/settings.py
index e1fef71..1c3b2a5 100644
--- a/rophako/settings.py
+++ b/rophako/settings.py
@@ -27,7 +27,8 @@ class ConfigHandler(object):
         self.settings.set("DEFAULT", "_year", str(datetime.datetime.now().strftime("%Y")))
 
         # Read the defaults and then apply the custom settings on top.
-        self.settings.read(["defaults.ini", "settings.ini"])
+        settings_file = os.environ.get("ROPHAKO_SETTINGS", "settings.ini")
+        self.settings.read(["defaults.ini", settings_file])
 
     def print_settings(self):
         """Pretty-print the contents of the configuration as JSON."""