diff --git a/beacon_node/beacon_chain/src/attestation_aggregator.rs b/beacon_node/beacon_chain/src/attestation_aggregator.rs
index d5b8c090f1..d70d732f83 100644
--- a/beacon_node/beacon_chain/src/attestation_aggregator.rs
+++ b/beacon_node/beacon_chain/src/attestation_aggregator.rs
@@ -114,7 +114,10 @@ impl AttestationAggregator {
 
         if !free_attestation.signature.verify(
             &signable_message,
-            spec.domain_attestation,
+            cached_state.state.fork.get_domain(
+                cached_state.state.current_epoch(spec),
+                spec.domain_attestation,
+            ),
             &validator_record.pubkey,
         ) {
             return Ok(Outcome {