diff --git a/benchmark/http/check_invalid_header_char.js b/benchmark/http/check_invalid_header_char.js
index bef44e63167078..7b9c08bd17cd97 100644
--- a/benchmark/http/check_invalid_header_char.js
+++ b/benchmark/http/check_invalid_header_char.js
@@ -27,7 +27,7 @@ const bench = common.createBenchmark(main, {
     'foo\nbar',
     '\x7F'
   ],
-  n: [5e8],
+  n: [1e6],
 });
 
 function main(conf) {
diff --git a/benchmark/http/check_is_http_token.js b/benchmark/http/check_is_http_token.js
index a317e05a4a12d2..9e0b8279b58ed0 100644
--- a/benchmark/http/check_is_http_token.js
+++ b/benchmark/http/check_is_http_token.js
@@ -37,7 +37,7 @@ const bench = common.createBenchmark(main, {
     ':alternate-protocol', // fast bailout
     'alternate-protocol:' // slow bailout
   ],
-  n: [5e8],
+  n: [1e6],
 });
 
 function main(conf) {