diff --git a/www/kojiweb/index.py b/www/kojiweb/index.py
index 03f6d245..bdb38418 100644
--- a/www/kojiweb/index.py
+++ b/www/kojiweb/index.py
@@ -1685,7 +1685,7 @@ def hosts(environ, state='enabled', start=None, order='name', ready='all', chann
     if arch != 'all':
         arch = _validate_arch(arch)
         if arch:
-            hosts = [x for x in hosts if arch in x['arches']]
+            hosts = [x for x in hosts if arch in x['arches'].split(' ')]
     else:
         arch = 'all'
     values['arch'] = arch