diff --git a/chain/events/filter/event.go b/chain/events/filter/event.go
index 29ad47123..a19f49a50 100644
--- a/chain/events/filter/event.go
+++ b/chain/events/filter/event.go
@@ -444,7 +444,7 @@ func (m *EventFilterManager) loadExecutedMessages(ctx context.Context, msgTs, rc
 			continue
 		}
 
-		evtArr, err := amt4.LoadAMT(ctx, st, *rct.EventsRoot, amt4.UseTreeBitWidth(5))
+		evtArr, err := amt4.LoadAMT(ctx, st, *rct.EventsRoot, amt4.UseTreeBitWidth(types.EventAMTBitwidth))
 		if err != nil {
 			return nil, xerrors.Errorf("load events amt: %w", err)
 		}
diff --git a/chain/types/message_receipt.go b/chain/types/message_receipt.go
index 0507ac576..b0db3b74d 100644
--- a/chain/types/message_receipt.go
+++ b/chain/types/message_receipt.go
@@ -17,13 +17,15 @@ const (
 	MessageReceiptV1 MessageReceiptVersion = 1
 )
 
+const EventAMTBitwidth = 5
+
 type MessageReceipt struct {
 	version MessageReceiptVersion
 
 	ExitCode   exitcode.ExitCode
 	Return     []byte
 	GasUsed    int64
-	EventsRoot *cid.Cid // Root of Event AMT
+	EventsRoot *cid.Cid // Root of Event AMT with bitwidth = EventAMTBitwidth
 }
 
 // NewMessageReceiptV0 creates a new pre FIP-0049 receipt with no capability to
diff --git a/cli/chain.go b/cli/chain.go
index dced1a1f8..a4d9609ba 100644
--- a/cli/chain.go
+++ b/cli/chain.go
@@ -1773,7 +1773,7 @@ var ChainInvokeEVMCmd = &cli.Command{
 			afmt.Println("Events emitted:")
 
 			s := &apiIpldStore{ctx, api}
-			amt, err := amt4.LoadAMT(ctx, s, *eventsRoot, amt4.UseTreeBitWidth(5))
+			amt, err := amt4.LoadAMT(ctx, s, *eventsRoot, amt4.UseTreeBitWidth(types.EventAMTBitwidth))
 			if err != nil {
 				return err
 			}
diff --git a/itests/kit/evm.go b/itests/kit/evm.go
index 4c6c014a1..6a4949722 100644
--- a/itests/kit/evm.go
+++ b/itests/kit/evm.go
@@ -112,7 +112,7 @@ func (e *EVM) LoadEvents(ctx context.Context, eventsRoot cid.Cid) []types.Event
 	require := require.New(e.t)
 
 	s := &apiIpldStore{ctx, e}
-	amt, err := amt4.LoadAMT(ctx, s, eventsRoot, amt4.UseTreeBitWidth(5))
+	amt, err := amt4.LoadAMT(ctx, s, eventsRoot, amt4.UseTreeBitWidth(types.EventAMTBitwidth))
 	require.NoError(err)
 
 	ret := make([]types.Event, 0, amt.Len())
diff --git a/node/impl/full/chain.go b/node/impl/full/chain.go
index d06c85402..8448a542e 100644
--- a/node/impl/full/chain.go
+++ b/node/impl/full/chain.go
@@ -661,7 +661,7 @@ func (a *ChainAPI) ChainBlockstoreInfo(ctx context.Context) (map[string]interfac
 // TODO (raulk) make copies of this logic elsewhere use this (e.g. itests, CLI, events filter).
 func (a *ChainAPI) ChainGetEvents(ctx context.Context, root cid.Cid) ([]types.Event, error) {
 	store := cbor.NewCborStore(a.ExposedBlockstore)
-	evtArr, err := amt4.LoadAMT(ctx, store, root, amt4.UseTreeBitWidth(5))
+	evtArr, err := amt4.LoadAMT(ctx, store, root, amt4.UseTreeBitWidth(types.EventAMTBitwidth))
 	if err != nil {
 		return nil, xerrors.Errorf("load events amt: %w", err)
 	}