diff --git a/test/cpp/microbenchmarks/bm_fullstack_trickle.cc b/test/cpp/microbenchmarks/bm_fullstack_trickle.cc
index e321de0e531d7d43ba24e5424b0ca742b947fcee..2bf1c931e61b4ff53e14e78d7fd267749a88a8b2 100644
--- a/test/cpp/microbenchmarks/bm_fullstack_trickle.cc
+++ b/test/cpp/microbenchmarks/bm_fullstack_trickle.cc
@@ -49,7 +49,7 @@ extern "C" {
 
 DEFINE_bool(log, false, "Log state to CSV files");
 DEFINE_int32(
-    warmup_megabytes, 10,
+    warmup_megabytes, 1,
     "Number of megabytes to pump before collecting flow control stats");
 DEFINE_int32(
     warmup_iterations, 100,