diff --git a/pallets/parachain-system/src/lib.rs b/pallets/parachain-system/src/lib.rs
index 9845ac58bfa..4025368904b 100644
--- a/pallets/parachain-system/src/lib.rs
+++ b/pallets/parachain-system/src/lib.rs
@@ -1059,8 +1059,8 @@ impl<T: Config> Pallet<T> {
 					max_capacity: 10,
 					max_total_size: 10_000_000_u32,
 					max_message_size: 10_000_000_u32,
-					msg_count: 10,
-					total_size: 10_000_000_u32,
+					msg_count: 5,
+					total_size: 5_000_000_u32,
 					mqc_head: None,
 				},
 			)],