1diff --git a/dnsviz/config.py.in b/dnsviz/config.py.in
2index 373fde2..007f0f1 100644
3--- a/dnsviz/config.py.in
4+++ b/dnsviz/config.py.in
5@@ -26,12 +26,7 @@
6 import os
7 import sys
8
9-_prefix = '__DNSVIZ_INSTALL_PREFIX__'
10-if (hasattr(sys, 'real_prefix') or hasattr(sys, 'base_prefix')) and \
11- not _prefix:
12- DNSVIZ_INSTALL_PREFIX = sys.prefix
13-else:
14- DNSVIZ_INSTALL_PREFIX = _prefix
15+DNSVIZ_INSTALL_PREFIX = "@out@"
16 DNSVIZ_SHARE_PATH = os.getenv('DNSVIZ_SHARE_PATH', os.path.join(DNSVIZ_INSTALL_PREFIX, 'share', 'dnsviz'))
17 JQUERY_PATH = __JQUERY_PATH__
18 JQUERY_UI_PATH = __JQUERY_UI_PATH__