diff --git a/lib/www/server/api/index.js b/lib/www/server/api/index.js
index 7206c38..8c5219b 100644
--- a/lib/www/server/api/index.js
+++ b/lib/www/server/api/index.js
@@ -365,9 +365,9 @@ app.map({
 	// FIXME no authentication yet!
 
 	'/comparison/group': {
-		get: [ mw.comparisons.groups.list ],
+		get: [ mw.etag.noSave, mw.comparisons.groups.list ],
 		'/:group': {
-			get: [ mw.comparisons.groups.get ],
+			get: [ mw.etag.noSave, mw.comparisons.groups.get ],
 		},
 	},