diff --git a/p2p/p2p/src/block_downloader/tests.rs b/p2p/p2p/src/block_downloader/tests.rs
index 07c30d5d..5d4225cd 100644
--- a/p2p/p2p/src/block_downloader/tests.rs
+++ b/p2p/p2p/src/block_downloader/tests.rs
@@ -95,7 +95,7 @@ prop_compose! {
     fn dummy_transaction_stragtegy(height: u64)
         (
             extra in vec(any::<u8>(), 0..1_000),
-            timelock in 0_usize..50_000_000,
+            timelock in 1_usize..50_000_000,
         )
     -> Transaction {
         Transaction {