diff --git a/package.json b/package.json
index 0230e39..46700e1 100644
--- a/package.json
+++ b/package.json
@@ -56,8 +56,7 @@
     "debug": "~4.3.4",
     "human-interval": "~2.0.1",
     "luxon": "^2.3.1",
-    "mongodb": "^4.3.1",
-    "get-function-location": "^2.0.0"
+    "mongodb": "^4.3.1"
   },
   "devDependencies": {
     "eslint": "^8.11.0",
diff --git a/src/Job.ts b/src/Job.ts
index 696616a..2be73d0 100644
--- a/src/Job.ts
+++ b/src/Job.ts
@@ -2,7 +2,6 @@ import * as date from 'date.js';
 import * as debug from 'debug';
 import { ObjectId } from 'mongodb';
 import { fork } from 'child_process';
-import * as getFunctionLocation from 'get-function-location';
 import type { Agenda } from './index';
 import type { DefinitionProcessor } from './types/JobDefinition';
 import { IJobParameters, datefields, TJobDatefield } from './types/JobParameters';
@@ -17,8 +16,6 @@ const log = debug('agenda:job');
 export class Job<DATA = unknown | void> {
 	readonly attrs: IJobParameters<DATA>;
 
-	static functionLocationCache: { [key: string]: string } = {};
-
 	/** this flag is set to true, if a job got canceled (e.g. due to a timeout or other exception),
 	 * you can use it for long running tasks to periodically check if canceled is true,
 	 * also touch will check if and throws that the job got canceled
@@ -362,16 +359,7 @@ export class Job<DATA = unknown | void> {
 					throw new Error('no forkHelper specified, you need to set a path to a helper script');
 				}
 				const { forkHelper } = this.agenda;
-				const location =
-					Job.functionLocationCache[this.attrs.name] ||
-					(await getFunctionLocation(this.agenda.definitions[this.attrs.name].fn)).source.replace(
-						/^file:\/\//,
-						''
-					);
 
-				if (!Job.functionLocationCache[this.attrs.name]) {
-					Job.functionLocationCache[this.attrs.name] = location;
-				}
 				// console.log('location', location);
 				let controller: AbortController | undefined;
 				let signal: AbortSignal | undefined;
@@ -387,7 +375,11 @@ export class Job<DATA = unknown | void> {
 
 					const child = fork(
 						forkHelper.path,
-						[this.attrs.name, this.attrs._id!.toString(), location],
+						[
+							this.attrs.name,
+							this.attrs._id!.toString(),
+							this.agenda.definitions[this.attrs.name].filePath || ''
+						],
 						{
 							...forkHelper.options,
 							signal
@@ -402,7 +394,7 @@ export class Job<DATA = unknown | void> {
 								forkHelper,
 								this.attrs.name,
 								this.attrs._id,
-								location
+								this.agenda.definitions[this.attrs.name].filePath
 							);
 							const error = new Error(`child process exited with code: ${code}`);
 							console.warn(error.message);
diff --git a/src/index.ts b/src/index.ts
index 54b8a76..11d7423 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -14,6 +14,7 @@ import { JobDbRepository } from './JobDbRepository';
 import { JobPriority, parsePriority } from './utils/priority';
 import { JobProcessor } from './JobProcessor';
 import { calculateProcessEvery } from './utils/processEvery';
+import {getCallerFilePath} from "./utils/stack";
 
 const log = debug('agenda');
 
@@ -337,8 +338,12 @@ export class Agenda extends EventEmitter {
 		if (this.definitions[name]) {
 			log('overwriting already defined agenda job', name);
 		}
-		this.definitions[name] = {
+
+    const filePath = getCallerFilePath();
+
+    this.definitions[name] = {
 			fn: processor,
+      filePath,
 			concurrency: options?.concurrency || this.attrs.defaultConcurrency,
 			lockLimit: options?.lockLimit || this.attrs.defaultLockLimit,
 			priority: parsePriority(options?.priority),
diff --git a/src/types/JobDefinition.ts b/src/types/JobDefinition.ts
index 6430b18..4ab45bd 100644
--- a/src/types/JobDefinition.ts
+++ b/src/types/JobDefinition.ts
@@ -10,6 +10,7 @@ export interface IJobDefinition<DATA = unknown> {
 	/** how many jobs of this kind can run in parallel/simultanously per Agenda instance */
 	concurrency?: number;
 
+	filePath: string | undefined;
 	fn: DefinitionProcessor<DATA, void | ((error?: Error) => void)>;
 }
 
diff --git a/src/utils/stack.ts b/src/utils/stack.ts
new file mode 100644
index 0000000..e42b4f0
--- /dev/null
+++ b/src/utils/stack.ts
@@ -0,0 +1,21 @@
+export function getCallerFilePath(position = 2): string | undefined {
+	if (position >= Error.stackTraceLimit) {
+		throw new TypeError(
+			`getCallerFile(position) requires position be less then Error.stackTraceLimit but position was: \`${position}\` and Error.stackTraceLimit was: \`${Error.stackTraceLimit}\``
+		);
+	}
+
+	const oldPrepareStackTrace = Error.prepareStackTrace;
+	Error.prepareStackTrace = (_, stack) => stack;
+	// eslint-disable-next-line unicorn/error-message
+	const { stack } = new Error();
+	Error.prepareStackTrace = oldPrepareStackTrace;
+
+	if (stack !== null && typeof stack === 'object') {
+		// stack[0] holds this file
+		// stack[1] holds where this function was called
+		// stack[2] holds the file we're interested in
+		return stack[position] ? (stack[position] as any).getFileName() : undefined;
+	}
+	return undefined;
+}