diff --git a/packages/shared/src/porter.ts b/packages/shared/src/porter.ts
index 4dc054924..c89afe043 100644
--- a/packages/shared/src/porter.ts
+++ b/packages/shared/src/porter.ts
@@ -35,21 +35,14 @@ export const getPorterUri = (domain: Domain): string => {
   return getPorterUris(domain)[0];
 };
 
-export const getPorterUris = (domain: Domain, porterUri?: string | string[]): string[] => {
-  const porterUris: string[] = [];
-  if (porterUri) {
-    if (porterUri instanceof Array) {
-      porterUris.push(...porterUri);
-    } else {
-      porterUris.push(porterUri);
-    }
-  }
+export const getPorterUris = (domain: Domain, porterUris: string[] = []): string[] => {
+  const fullList = [...porterUris];
   const uri = defaultPorterUri[domain];
   if (!uri) {
     throw new Error(`No default Porter URI found for domain: ${domain}`);
   }
-  porterUris.push(uri);
-  return porterUris;
+  fullList.push(uri);
+  return fullList;
 };
 
 // /get_ursulas
@@ -165,7 +158,7 @@ export class PorterClient {
     if (lastError !== undefined) {
       throw lastError;
     }
-    throw new Error("Porter returns bad response");
+    throw new Error('Porter returns bad response: ${resp.status} - ${resp.data}');
   }
 
   public async getUrsulas(
diff --git a/packages/shared/test/porter.test.ts b/packages/shared/test/porter.test.ts
index 113f3012a..a5c92d437 100644
--- a/packages/shared/test/porter.test.ts
+++ b/packages/shared/test/porter.test.ts
@@ -69,14 +69,11 @@ describe('PorterClient', () => {
     };
 
     expect(getUrsulasSpy).toBeCalledTimes(fakePorterUris.length);
-    expect(getUrsulasSpy).toHaveBeenNthCalledWith(1, expect.objectContaining(
-      { ...params, baseURL: fakePorterUris[0] })
-    );
-    expect(getUrsulasSpy).toHaveBeenNthCalledWith(2, expect.objectContaining(
-      { ...params, baseURL: fakePorterUris[1] })
-    );
-    expect(getUrsulasSpy).toHaveBeenNthCalledWith(3, expect.objectContaining(
-      { ...params, baseURL: fakePorterUris[2] }));
+    fakePorterUris.forEach((value, index) => {
+      expect(getUrsulasSpy).toHaveBeenNthCalledWith(index + 1, expect.objectContaining(
+        { ...params, baseURL: value })
+      );
+    });
   });
 
   it('returns error in case all porters fail', async () => {
diff --git a/packages/taco/src/taco.ts b/packages/taco/src/taco.ts
index 93d29b764..ce6572bf1 100644
--- a/packages/taco/src/taco.ts
+++ b/packages/taco/src/taco.ts
@@ -130,7 +130,7 @@ export const encryptWithPublicKey = async (
  * Must match the `ritualId`.
  * @param {ThresholdMessageKit} messageKit - The kit containing the message to be decrypted
  * @param authProvider - The authentication provider that will be used to provide the authorization
- * @param {string} [porterUri] - The URI for the Porter service. If not provided, a value will be obtained
+ * @param {string} [porterUri] - The URI(s) for the Porter service. If not provided, a value will be obtained
  * from the Domain
  * @param {Record<string, CustomContextParam>} [customParameters] - Optional custom parameters that may be required
  * depending on the condition used
@@ -145,10 +145,10 @@ export const decrypt = async (
   domain: Domain,
   messageKit: ThresholdMessageKit,
   authProvider?: EIP4361AuthProvider,
-  porterUri?: string | string[],
+  porterUris: string[] = [],
   customParameters?: Record<string, CustomContextParam>,
 ): Promise<Uint8Array> => {
-  const porterUris: string[] = getPorterUris(domain, porterUri);
+  const porterUrisFull: string[] = getPorterUris(domain, porterUris);
 
   const ritualId = await DkgCoordinatorAgent.getRitualIdFromPublicKey(
     provider,
@@ -164,7 +164,7 @@ export const decrypt = async (
   return retrieveAndDecrypt(
     provider,
     domain,
-    porterUris,
+    porterUrisFull,
     messageKit,
     ritualId,
     ritual.sharesNum,
diff --git a/packages/taco/test/taco.test.ts b/packages/taco/test/taco.test.ts
index f965fa80c..8fd2545a0 100644
--- a/packages/taco/test/taco.test.ts
+++ b/packages/taco/test/taco.test.ts
@@ -93,7 +93,7 @@ describe('taco', () => {
       domains.DEVNET,
       messageKit,
       authProvider,
-      fakePorterUri,
+      [fakePorterUri],
     );
     expect(decryptedMessage).toEqual(toBytes(message));
     expect(getParticipantsSpy).toHaveBeenCalled();