diff --git a/static/js/filter.js b/static/js/filter.js
index 0a1a6f892b..bb867a80b8 100644
--- a/static/js/filter.js
+++ b/static/js/filter.js
@@ -664,7 +664,8 @@ export class Filter {
         const term_types = this.sorted_term_types();
         if (
             (term_types.length === 3 && _.isEqual(term_types, ["stream", "topic", "near"])) ||
-            (term_types.length === 2 && _.isEqual(term_types, ["stream", "topic"]))
+            (term_types.length === 2 && _.isEqual(term_types, ["stream", "topic"])) ||
+            (term_types.length === 1 && _.isEqual(term_types, ["stream"]))
         ) {
             if (!this._sub) {
                 const search_text = this.operands("stream")[0];
@@ -697,12 +698,6 @@ export class Filter {
                     return $t({defaultMessage: "All messages including muted streams"});
                 case "streams-public":
                     return $t({defaultMessage: "Messages in all public streams"});
-                case "stream":
-                    if (!this._sub) {
-                        const search_text = this.operands("stream")[0];
-                        return $t({defaultMessage: "Unknown stream #{search_text}"}, {search_text});
-                    }
-                    return this._sub.name;
                 case "is-starred":
                     return $t({defaultMessage: "Starred messages"});
                 case "is-mentioned":