diff --git a/.changeset/perfect-kings-look.md b/.changeset/perfect-kings-look.md
new file mode 100644
index 0000000000..b2e11c6e1a
--- /dev/null
+++ b/.changeset/perfect-kings-look.md
@@ -0,0 +1,5 @@
+---
+'@api3/airnode-node': patch
+---
+
+Fix chainId used in erc721CrossChainAuthorizations
diff --git a/packages/airnode-node/src/evm/handlers/initialize-provider.ts b/packages/airnode-node/src/evm/handlers/initialize-provider.ts
index 593afca5d9..17ccf3c5ae 100644
--- a/packages/airnode-node/src/evm/handlers/initialize-provider.ts
+++ b/packages/airnode-node/src/evm/handlers/initialize-provider.ts
@@ -79,7 +79,7 @@ async function fetchCrossChainAuthorizations(
           type: 'erc721',
           airnodeAddress: currentState.settings.airnodeAddress,
           authorizations: currentState.settings.authorizations,
-          chainId: authorizer.chainId,
+          chainId: currentState.settings.chainId,
           erc721s: authorizer.erc721s,
           provider: buildEVMProvider(authorizer.chainProvider.url, authorizer.chainId),
           RequesterAuthorizerWithErc721Address: authorizer.contracts.RequesterAuthorizerWithErc721,