diff --git a/src/librustdoc/html/static/js/search.js b/src/librustdoc/html/static/js/search.js
index e1818dab1d5a..e565b559be8f 100644
--- a/src/librustdoc/html/static/js/search.js
+++ b/src/librustdoc/html/static/js/search.js
@@ -1572,7 +1572,9 @@ function initSearch(rawSearchIndex) {
                     for (const nested of fnType.generics) {
                         writeFn(nested, where);
                     }
-                    whereClause.set(fnParamNames[-1 - fnType.id], where);
+                    if (where.length > 0) {
+                        whereClause.set(fnParamNames[-1 - fnType.id], where);
+                    }
                 } else {
                     if (fnType.ty === TY_PRIMITIVE) {
                         if (fnType.id === typeNameIdOfArray || fnType.id === typeNameIdOfSlice ||
@@ -2913,7 +2915,7 @@ function initSearch(rawSearchIndex) {
             sorted_returned,
             sorted_others,
             parsedQuery);
-        await handleAliases(ret, parsedQuery.original.replace(/"/g, ""),
+        await handleAliases(ret, parsedQuery.userQuery.replace(/"/g, ""),
             filterCrates, currentCrate);
         await Promise.all([ret.others, ret.returned, ret.in_args].map(async list => {
             const descs = await Promise.all(list.map(result => {
diff --git a/tests/rustdoc-js-std/vec-type-signatures.js b/tests/rustdoc-js-std/vec-type-signatures.js
index 18cf9d6efd0f..4e93caf53bee 100644
--- a/tests/rustdoc-js-std/vec-type-signatures.js
+++ b/tests/rustdoc-js-std/vec-type-signatures.js
@@ -19,4 +19,16 @@ const EXPECTED = [
             { 'path': 'std::vec::IntoIter', 'name': 'next_chunk' },
         ],
     },
+    {
+        'query': 'vec<Allocator> -> Box<[T]>',
+        'others': [
+            {
+                'path': 'std::boxed::Box',
+                'name': 'from',
+                'displayType': '`Vec`<T, `A`> -> `Box`<`[T]`, A>',
+                'displayMappedNames': `T = T`,
+                'displayWhereClause': 'A: `Allocator`',
+            },
+        ],
+    },
 ];