diff --git a/eth2/state_processing/src/per_epoch_processing/validator_statuses.rs b/eth2/state_processing/src/per_epoch_processing/validator_statuses.rs
index a2ce292eb3..ed1b968d7d 100644
--- a/eth2/state_processing/src/per_epoch_processing/validator_statuses.rs
+++ b/eth2/state_processing/src/per_epoch_processing/validator_statuses.rs
@@ -238,7 +238,7 @@ impl ValidatorStatuses {
                     slot: inclusion_slot,
                     distance: a.inclusion_delay,
                     proposer_index: state.get_beacon_proposer_index(
-                        attestation_slot,
+                        inclusion_slot,
                         relative_epoch,
                         spec,
                     )?,