diff --git a/examples/eth-pm-wallet-encryption/src/GetEncryptionPublicKey.tsx b/examples/eth-pm-wallet-encryption/src/GetEncryptionPublicKey.tsx
index d7746b22e2..3242d0c61f 100644
--- a/examples/eth-pm-wallet-encryption/src/GetEncryptionPublicKey.tsx
+++ b/examples/eth-pm-wallet-encryption/src/GetEncryptionPublicKey.tsx
@@ -23,9 +23,14 @@ export default function GetEncryptionPublicKey({
       method: 'eth_getEncryptionPublicKey',
       params: [address],
     })
-      .then((key: string) => {
+      .then((key: string | undefined) => {
         console.log('Encryption Public key:', key);
 
+        if (typeof key !== 'string') {
+          console.error('Could not get encryption key');
+          return;
+        }
+
         setEncPublicKey(Buffer.from(key, 'base64'));
       })
       .catch((error) => {