diff --git a/packages/types/src/interfaces/bridges/definitions.ts b/packages/types/src/interfaces/bridges/definitions.ts
index 93a937054f..b05bceb6ac 100644
--- a/packages/types/src/interfaces/bridges/definitions.ts
+++ b/packages/types/src/interfaces/bridges/definitions.ts
@@ -66,9 +66,9 @@ export default {
       _enum: ['Normal', 'RejectingOutboundMessages', 'Halted']
     },
     OutboundLaneData: {
-      latestGeneratedNonce: 'MessageNonce',
+      oldestUnprunedNonce: 'MessageNonce',
       latestReceivedNonce: 'MessageNonce',
-      oldestUnprunedNonce: 'MessageNonce'
+      latestGeneratedNonce: 'MessageNonce'
     },
     OutboundMessageFee: 'Balance',
     OutboundPayload: {
diff --git a/packages/types/src/interfaces/bridges/types.ts b/packages/types/src/interfaces/bridges/types.ts
index 82cfaec03d..02431c0a33 100644
--- a/packages/types/src/interfaces/bridges/types.ts
+++ b/packages/types/src/interfaces/bridges/types.ts
@@ -102,9 +102,9 @@ export interface OperatingMode extends Enum {
 
 /** @name OutboundLaneData */
 export interface OutboundLaneData extends Struct {
-  readonly latestGeneratedNonce: MessageNonce;
-  readonly latestReceivedNonce: MessageNonce;
   readonly oldestUnprunedNonce: MessageNonce;
+  readonly latestReceivedNonce: MessageNonce;
+  readonly latestGeneratedNonce: MessageNonce;
 }
 
 /** @name OutboundMessageFee */