diff --git a/iris-mpc-gpu/src/server/actor.rs b/iris-mpc-gpu/src/server/actor.rs
index 52d2c970e..37036f598 100644
--- a/iris-mpc-gpu/src/server/actor.rs
+++ b/iris-mpc-gpu/src/server/actor.rs
@@ -65,7 +65,7 @@ impl ServerActorHandle {
     }
 }
 
-const DB_CHUNK_SIZE: usize = 512;
+const DB_CHUNK_SIZE: usize = 1 << 15;
 const KDF_SALT: &str = "111a1a93518f670e9bb0c2c68888e2beb9406d4c4ed571dc77b801e676ae3091"; // Random 32 byte salt
 
 pub struct ServerActor {