diff --git a/substrate/frame/revive/fixtures/contracts/event_and_return_on_deploy.rs b/substrate/frame/revive/fixtures/contracts/event_and_return_on_deploy.rs
index e4b106c5e2d0..5c438c1a75a1 100644
--- a/substrate/frame/revive/fixtures/contracts/event_and_return_on_deploy.rs
+++ b/substrate/frame/revive/fixtures/contracts/event_and_return_on_deploy.rs
@@ -25,7 +25,7 @@ use uapi::{HostFn, HostFnImpl as api};
 #[polkavm_derive::polkavm_export]
 pub extern "C" fn deploy() {
 	let buffer = [1u8, 2, 3, 4];
-	let topics = [[0u8; 32]; 0];
+	let topics = [[42u8; 32]; 1];
 	api::deposit_event(&topics, &buffer);
 	api::return_value(uapi::ReturnFlags::empty(), &buffer);
 }
diff --git a/substrate/frame/revive/src/tests.rs b/substrate/frame/revive/src/tests.rs
index d0b231c6fff5..fb168022013c 100644
--- a/substrate/frame/revive/src/tests.rs
+++ b/substrate/frame/revive/src/tests.rs
@@ -746,7 +746,7 @@ mod run_tests {
 							contract: addr,
 							data: vec![1, 2, 3, 4]
 						}),
-						topics: vec![],
+						topics: vec![H256::repeat_byte(42)],
 					},
 					EventRecord {
 						phase: Phase::Initialization,