diff --git a/rpc/src/v1/impls/eth.rs b/rpc/src/v1/impls/eth.rs
index 85afdd612..bbeb475dc 100644
--- a/rpc/src/v1/impls/eth.rs
+++ b/rpc/src/v1/impls/eth.rs
@@ -205,11 +205,14 @@ impl Eth for EthClient {
 				let possibilities = filter.bloom_possibilities();
 				let from = filter.from_block.map_or_else(|| BlockId::Earliest, Into::into);
 				let to = filter.to_block.map_or_else(|| BlockId::Latest, Into::into);
-				let blocks: HashSet<u64> = possibilities.iter()
+				let mut blocks: Vec<u64> = possibilities.iter()
 					.map(|bloom| self.client.blocks_with_bloom(bloom, from.clone(), to.clone()))
 					.filter_map(|m| m)
 					.flat_map(|m| m)
+					.collect::<HashSet<u64>>()
+					.into_iter()
 					.collect();
+				blocks.sort();
 				to_value(&blocks)
 			})
 	}