diff --git a/main.cpp b/main.cpp
index 4904330..522eeb8 100644
--- a/main.cpp
+++ b/main.cpp
@@ -195,10 +195,10 @@ void run()
   if (output_as_csv)
   {
     std::cout
-      << "function"  << csv_separator
-      << "num_times"  << csv_separator
+      << "function" << csv_separator
+      << "num_times" << csv_separator
       << "n_elements" << csv_separator
-      << "sizeof"  << csv_separator
+      << "sizeof" << csv_separator
       << "max_mbytes_per_sec" << csv_separator
       << "min_runtime" << csv_separator
       << "max_runtime" << csv_separator