diff --git a/static/js/search_suggestion.js b/static/js/search_suggestion.js
index 426bb73a2a..a791b536aa 100644
--- a/static/js/search_suggestion.js
+++ b/static/js/search_suggestion.js
@@ -195,6 +195,7 @@ function get_topic_suggestions(query_operators) {
     var last_term = query_operators.slice(-1)[0];
     var operator = Filter.canonicalize_operator(last_term.operator);
     var operand = last_term.operand;
+    var negated = (operator === 'topic') && (last_term.negated);
     var stream;
     var guess;
     var filter;
@@ -277,7 +278,7 @@ function get_topic_suggestions(query_operators) {
     topics.sort();
 
     return _.map(topics, function (topic) {
-        var topic_term = {operator: 'topic', operand: topic};
+        var topic_term = {operator: 'topic', operand: topic, negated: negated};
         var operators = query_operators.concat([topic_term]);
         var search_string = Filter.unparse(operators);
         var description = Filter.describe(operators);
diff --git a/zerver/tests/frontend/node/search_suggestion.js b/zerver/tests/frontend/node/search_suggestion.js
index 19ec5e362f..58f7ffe2fe 100644
--- a/zerver/tests/frontend/node/search_suggestion.js
+++ b/zerver/tests/frontend/node/search_suggestion.js
@@ -16,7 +16,9 @@ add_dependencies({
 
 var search = require('js/search_suggestion.js');
 
-set_global('feature_flags', {});
+set_global('feature_flags', {
+    negated_search: true
+});
 set_global('page_params', {
     email: 'bob@zulip.com'
 });
@@ -262,6 +264,22 @@ set_global('narrow', {});
         'stream:devel'
     ];
     assert.deepEqual(suggestions.strings, expected);
+
+    suggestions = search.get_suggestions('stream:devel -topic:');
+    expected = [
+        'stream:devel -topic:',
+        'stream:devel -topic:REXX',
+        'stream:devel'
+    ];
+    assert.deepEqual(suggestions.strings, expected);
+
+    suggestions = search.get_suggestions('-topic:te');
+    expected = [
+        '-topic:te',
+        'stream:office -topic:team',
+        'stream:office -topic:test'
+    ];
+    assert.deepEqual(suggestions.strings, expected);
 }());
 
 (function test_whitespace_glitch() {