diff --git a/pkgs/markdown/benchmark/benchmark.dart b/pkgs/markdown/benchmark/benchmark.dart
index 124a4f7..ed6b521 100644
--- a/pkgs/markdown/benchmark/benchmark.dart
+++ b/pkgs/markdown/benchmark/benchmark.dart
@@ -17,7 +17,7 @@
 final expected = loadFile("output.html");
 
 void main(List<String> args) {
-  var best = 99999999.0;
+  var best = double.INFINITY;
 
   // Run the benchmark several times. This ensures the VM is warmed up and lets
   // us see how much variance there is.