diff --git a/server-node/src/routes/api/workflow-controller.ts b/server-node/src/routes/api/workflow-controller.ts
index ec91cdd40..aad76c5e5 100644
--- a/server-node/src/routes/api/workflow-controller.ts
+++ b/server-node/src/routes/api/workflow-controller.ts
@@ -190,7 +190,7 @@ router.get("/result/:workflowUuid", async (req: Request, res: Response) => {
 
     /* 
      * If workflow isn't done return error
-     * Send file, TODO: if there are multiple outputs return as zip
+     * Send file, if there are multiple outputs return as zip
      * If download is done, delete results / allow deletion within the next 5-60 mins
     */
     const workflow = activeWorkflows[req.params.workflowUuid];
diff --git a/server-node/src/utils/endpoint-utils.ts b/server-node/src/utils/endpoint-utils.ts
index 0d78f0a91..d39c07875 100644
--- a/server-node/src/utils/endpoint-utils.ts
+++ b/server-node/src/utils/endpoint-utils.ts
@@ -45,17 +45,15 @@ export async function respondWithZip(res: Response, filename: string, files: {ui
     console.log("Sent");
 }
 
-export async function respondWithPdfFiles(res: Response, pdfFiles: PdfFile|PdfFile[], filename: string) {
-    const pdfResults = Array.isArray(pdfFiles) ? pdfFiles : [pdfFiles];
-
-    if(pdfResults.length == 0) {
+export async function respondWithPdfFiles(res: Response, pdfFiles: PdfFile[] | undefined, filename: string) {
+    if(!pdfFiles || pdfFiles.length == 0) {
         res.status(500).json({"warning": "The workflow had no outputs."});
     }
-    else if (pdfResults.length == 1) {
-        respondWithPdfFile(res, pdfResults[0])
+    else if (pdfFiles.length == 1) {
+        respondWithPdfFile(res, pdfFiles[0])
     }
     else {
-        const promises = pdfResults.map(async (pdf) => {return{uint8Array: await pdf.uint8Array, filename: pdf.filename + ".pdf"}})
+        const promises = pdfFiles.map(async (pdf) => {return{uint8Array: await pdf.uint8Array, filename: pdf.filename + ".pdf"}})
         const files = await Promise.all(promises);
         respondWithZip(res, filename, files);
     }
diff --git a/shared-operations/declarations/Action.d.ts b/shared-operations/declarations/Action.d.ts
index d2d4ec1b2..de5bd74c5 100644
--- a/shared-operations/declarations/Action.d.ts
+++ b/shared-operations/declarations/Action.d.ts
@@ -1,5 +1,5 @@
 export interface Action {
-    protected values: any;
+    values: any;
     type: string;
     actions?: Action[];
 }