diff --git a/package-lock.json b/package-lock.json
index be08746fae..4b20a572e8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@balancer-labs/frontend-v2",
-  "version": "1.13.3",
+  "version": "1.13.4",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@balancer-labs/frontend-v2",
-      "version": "1.13.3",
+      "version": "1.13.4",
       "license": "MIT",
       "dependencies": {
         "@balancer-labs/assets": "github:balancer-labs/assets#master",
diff --git a/package.json b/package.json
index d9c1416e75..1bf0709bd4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@balancer-labs/frontend-v2",
-  "version": "1.13.3",
+  "version": "1.13.4",
   "engines": {
     "node": "14.x",
     "npm": ">=7"
diff --git a/src/lib/utils/balancer/lido.ts b/src/lib/utils/balancer/lido.ts
index 0287042340..30f163ab20 100644
--- a/src/lib/utils/balancer/lido.ts
+++ b/src/lib/utils/balancer/lido.ts
@@ -4,6 +4,8 @@ import { BigNumberish, Contract } from 'ethers';
 import { getAddress } from 'ethers/lib/utils';
 
 export function isStETH(tokenInAddress: string, tokenOutAddress: string) {
+  if (!tokenInAddress || !tokenOutAddress) return false;
+
   return [tokenInAddress, tokenOutAddress]
     .map(getAddress)
     .includes(getAddress(configService.network.addresses.stETH));