diff --git a/install.py b/install.py
index 64a49f1..ef66583 100755
--- a/install.py
+++ b/install.py
@@ -108,7 +108,7 @@ if os.path.exists('__init__.py'):
         if 'LOCAL_URLPATTERNS' not in local_settings:
             local_settings += '''
 LOCAL_URLPATTERNS = [
-    [r'^(?P<id>[A-Z0-9].*)/source(?P<position>[\d\.]+)\.(?P<format>.*)$', 'p_for_power.views.source_frame'],
+    [r'^(?P<id>[A-Z0-9].*)/source(?P<position>[\\d\\.]+)\\.(?P<format>.*)$', 'p_for_power.views.source_frame'],
 ]
 '''
             local_settings_changed = True