diff --git a/frontend_tests/node_tests/narrow.js b/frontend_tests/node_tests/narrow.js
index ac61910f69..7611187be3 100644
--- a/frontend_tests/node_tests/narrow.js
+++ b/frontend_tests/node_tests/narrow.js
@@ -64,7 +64,7 @@ run_test('uris', () => {
     var uri = hash_util.pm_with_uri(ray.email);
     assert.equal(uri, '#narrow/pm-with/22-ray');
 
-    uri = narrow.huddle_with_uri("22,23");
+    uri = hash_util.huddle_with_uri("22,23");
     assert.equal(uri, '#narrow/pm-with/22,23-group');
 
     uri = narrow.by_sender_uri(ray.email);
diff --git a/static/js/activity.js b/static/js/activity.js
index bdbfd291fa..8fbfdb1f50 100644
--- a/static/js/activity.js
+++ b/static/js/activity.js
@@ -276,7 +276,7 @@ exports.update_huddles = function () {
         return {
             user_ids_string: huddle,
             name: exports.full_huddle_name(huddle),
-            href: narrow.huddle_with_uri(huddle),
+            href: hash_util.huddle_with_uri(huddle),
             fraction_present: exports.huddle_fraction_present(huddle),
             short_name: exports.short_huddle_name(huddle),
         };
diff --git a/static/js/hash_util.js b/static/js/hash_util.js
index 66567730ba..d3941ac790 100644
--- a/static/js/hash_util.js
+++ b/static/js/hash_util.js
@@ -92,6 +92,14 @@ exports.pm_with_uri = function (reply_to) {
     ]);
 };
 
+exports.huddle_with_uri = function (user_ids_string) {
+    // This method is convenient for callers
+    // that have already converted emails to a comma-delimited
+    // list of user_ids.  We should be careful to keep this
+    // consistent with hash_util.decode_operand.
+    return "#narrow/pm-with/" + user_ids_string + '-group';
+};
+
 return exports;
 
 }());
diff --git a/static/js/narrow.js b/static/js/narrow.js
index 7aa97c6fcb..d23476215d 100644
--- a/static/js/narrow.js
+++ b/static/js/narrow.js
@@ -767,14 +767,6 @@ exports.hide_empty_narrow_message = function () {
     $(".empty_feed_notice").hide();
 };
 
-exports.huddle_with_uri = function (user_ids_string) {
-    // This method is convenient is convenient for callers
-    // that have already converted emails to a comma-delimited
-    // list of user_ids.  We should be careful to keep this
-    // consistent with hash_util.decode_operand.
-    return "#narrow/pm-with/" + user_ids_string + '-group';
-};
-
 exports.by_sender_uri = function (reply_to) {
     return hash_util.operators_to_hash([
         {operator: 'sender', operand: reply_to},