diff --git a/src/hooks/custom/SplitPdfHook.ts b/src/hooks/custom/SplitPdfHook.ts
index aec9b8f..7446b9c 100644
--- a/src/hooks/custom/SplitPdfHook.ts
+++ b/src/hooks/custom/SplitPdfHook.ts
@@ -1,5 +1,4 @@
 import async from "async";
-import {randomUUID} from 'crypto';
 
 import {
   AfterErrorContext,
@@ -26,6 +25,7 @@ import {
 } from "./utils/index.js";
 import {
   HTTPClientExtension,
+  generateGuid,
   MIN_PAGES_PER_THREAD,
   PARTITION_FORM_FILES_KEY,
   PARTITION_FORM_SPLIT_PDF_PAGE_KEY,
@@ -99,7 +99,7 @@ export class SplitPdfHook
   ): Promise<Request> {
 
     // setting the current operationID to be unique
-    const operationID = "partition-" + randomUUID();
+    const operationID = "partition-" + generateGuid();
     hookCtx.operationID = operationID;
 
     const requestClone = request.clone();
diff --git a/src/hooks/custom/common.ts b/src/hooks/custom/common.ts
index 72c8681..f2b3db0 100644
--- a/src/hooks/custom/common.ts
+++ b/src/hooks/custom/common.ts
@@ -46,3 +46,7 @@ export class HTTPClientExtension extends HTTPClient {
     return super.request(request);
    }
 }
+
+export function generateGuid() {
+  return Math.random().toString(36).substring(2, 15) + Math.random().toString(36).substring(2, 15);
+}
\ No newline at end of file