diff --git a/pallets/propagation/src/tests.rs b/pallets/propagation/src/tests.rs
index 5d752bb92..05b597633 100644
--- a/pallets/propagation/src/tests.rs
+++ b/pallets/propagation/src/tests.rs
@@ -59,7 +59,7 @@ fn knows_how_to_mock_several_http_calls() {
             uri: "http://localhost:3001/validator/reshare".into(),
             sent: true,
             response: Some([].to_vec()),
-            body: [32, 1, 0, 0, 0, 0, 0, 0, 0, 6, 0, 0, 0].to_vec(),
+            body: [4, 32, 1, 0, 0, 0, 0, 0, 0, 0, 6, 0, 0, 0].to_vec(),
             ..Default::default()
         });
         state.expect_request(testing::PendingRequest {