diff --git a/benchmarks/util/task-data.hpp b/benchmarks/util/task-data.hpp
index dc89fe0..a99542b 100644
--- a/benchmarks/util/task-data.hpp
+++ b/benchmarks/util/task-data.hpp
@@ -63,7 +63,7 @@ inline void WriteResultLog(const std::vector<TaskData>& args, const std::string&
     json["path"] = path;
     json["list"] = args;
 
-    os << std::setw(4) << json;
+    os << json;
 }
 
 inline void ReadWorkDescription(std::vector<TaskData>& args, std::string& path, std::istream& is) {