diff --git a/src/lib.rs b/src/lib.rs
index ba6d3d9f..3376fac8 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -22,7 +22,7 @@ pub const DEFAULT_MAX_NUMBER_OF_TXS_IN_QUEUE: usize = 40_000;
 
 /// 25 slots in 10s send to little more leaders
 #[from_env]
-pub const DEFAULT_FANOUT_SIZE: u64 = 36;
+pub const DEFAULT_FANOUT_SIZE: u64 = 16;
 
 #[from_env]
 pub const MAX_RETRIES: usize = 40;