diff --git a/src/experimental-bots/filler-common/utils.ts b/src/experimental-bots/filler-common/utils.ts
index 44bb99ab..eb10996b 100644
--- a/src/experimental-bots/filler-common/utils.ts
+++ b/src/experimental-bots/filler-common/utils.ts
@@ -472,3 +472,13 @@ export const getPriorityFeeInstruction = (priorityFeeMicroLamports: number) => {
 		microLamports,
 	});
 };
+
+export const isTsRuntime = (): boolean => {
+	// @ts-ignore - This is how to check for tsx unfortunately https://github.com/privatenumber/tsx/issues/49
+	const isTsx: boolean = process._preload_modules.some((m: string) =>
+		m.includes('tsx')
+	);
+	const isTsNode = process.argv.some((arg) => arg.includes('ts-node'));
+	const isBun = process.versions.bun !== undefined;
+	return isTsNode || isTsx || isBun;
+};
diff --git a/src/experimental-bots/filler/fillerMultithreaded.ts b/src/experimental-bots/filler/fillerMultithreaded.ts
index 95eae72b..064963f5 100644
--- a/src/experimental-bots/filler/fillerMultithreaded.ts
+++ b/src/experimental-bots/filler/fillerMultithreaded.ts
@@ -75,6 +75,7 @@ import {
 	deserializeNodeToFill,
 	deserializeOrder,
 	getPriorityFeeInstruction,
+	isTsRuntime,
 } from '../filler-common/utils';
 import {
 	CounterValue,
@@ -109,6 +110,8 @@ import { bs58 } from '@project-serum/anchor/dist/cjs/utils/bytes';
 import { ChildProcess } from 'child_process';
 import { PythPriceFeedSubscriber } from 'src/pythPriceFeedSubscriber';
 import { PythLazerClient } from '@pythnetwork/pyth-lazer-sdk';
+import path from 'path';
+
 
 const logPrefix = '[Filler]';
 export type MakerNodeMap = Map<string, DLOBNode[]>;
@@ -504,8 +507,9 @@ export class FillerMultithreaded {
 				`--market-type=${this.config.marketType}`,
 				`--market-indexes=${marketIndexes.map(String)}`,
 			];
+			const dlobBuilderFileName = 'dlobBuilder' + isTsRuntime() ? '.ts' : '.js';
 			const dlobBuilderProcess = spawnChild(
-				'./src/experimental-bots/filler-common/dlobBuilder.ts',
+				path.join(__dirname, '../filler-common', dlobBuilderFileName),
 				dlobBuilderArgs,
 				'dlobBuilder',
 				(msg: any) => {
@@ -596,8 +600,10 @@ export class FillerMultithreaded {
 			}
 		};
 
+		const orderSubscriberFileName =
+			'orderSubscriberFiltered' + isTsRuntime() ? '.ts' : '.js';
 		const orderSubscriberProcess = spawnChild(
-			'./src/experimental-bots/filler-common/orderSubscriberFiltered.ts',
+			path.join(__dirname, '../filler-common', orderSubscriberFileName),
 			orderSubscriberArgs,
 			'orderSubscriber',
 			(msg: any) => {
@@ -623,8 +629,10 @@ export class FillerMultithreaded {
 		);
 
 		// Swift Subscriber process
+		const swiftOrderSubscriberFileName =
+			'swiftOrderSubscriber' + isTsRuntime() ? '.ts' : '.js';
 		const swiftOrderSubscriberProcess = spawnChild(
-			'./src/experimental-bots/filler-common/swiftOrderSubscriber.ts',
+			path.join(__dirname, '../filler-common', swiftOrderSubscriberFileName),
 			orderSubscriberArgs,
 			'swiftOrderSubscriber',
 			(msg: any) => {
diff --git a/src/experimental-bots/spotFiller/spotFillerMultithreaded.ts b/src/experimental-bots/spotFiller/spotFillerMultithreaded.ts
index 54ea7dd0..0fdd6c2a 100644
--- a/src/experimental-bots/spotFiller/spotFillerMultithreaded.ts
+++ b/src/experimental-bots/spotFiller/spotFillerMultithreaded.ts
@@ -73,6 +73,7 @@ import {
 	deserializeOrder,
 	serializeNodeToFill,
 	spawnChild,
+	isTsRuntime,
 } from '../filler-common/utils';
 import {
 	CACHED_BLOCKHASH_OFFSET,
@@ -98,6 +99,7 @@ import { getErrorCode } from '../../error';
 import { webhookMessage } from '../../webhook';
 import { selectMakers } from '../../makerSelection';
 import { PythPriceFeedSubscriber } from 'src/pythPriceFeedSubscriber';
+import path from 'path';
 
 enum METRIC_TYPES {
 	try_fill_duration_histogram = 'try_fill_duration_histogram',
@@ -457,8 +459,10 @@ export class SpotFillerMultithreaded {
 				`--market-type=${this.config.marketType}`,
 				`--market-indexes=${marketIndexes.map(String)}`,
 			];
+
+			const dlobBuilderFileName = 'dlobBuilder' + isTsRuntime() ? '.ts' : '.js';
 			const dlobBuilderProcess = spawnChild(
-				'./src/experimental-bots/filler-common/dlobBuilder.ts',
+				path.join(__dirname, '../filler-common', dlobBuilderFileName),
 				dlobBuilderArgs,
 				'dlobBuilder',
 				(msg: any) => {
@@ -549,8 +553,10 @@ export class SpotFillerMultithreaded {
 			}
 		};
 
+		const orderSubscriberFileName =
+			'orderSubscriberFiltered' + isTsRuntime() ? '.ts' : '.js';
 		const orderSubscriberProcess = spawnChild(
-			'./src/experimental-bots/filler-common/orderSubscriberFiltered.ts',
+			path.join(__dirname, '../filler-common', orderSubscriberFileName),
 			orderSubscriberArgs,
 			'orderSubscriber',
 			(msg: any) => {
diff --git a/yarn.lock b/yarn.lock
index 622a640f..916a10ed 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3137,7 +3137,7 @@ es6-promisify@^5.0.0:
   dependencies:
     es6-promise "^4.0.3"
 
-esbuild@^0.24.0:
+esbuild@0.24.0:
   version "0.24.0"
   resolved "https://registry.yarnpkg.com/esbuild/-/esbuild-0.24.0.tgz#f2d470596885fcb2e91c21eb3da3b3c89c0b55e7"
   integrity sha512-FuLPevChGDshgSicjisSooU0cemp/sGXR841D5LHMB7mTVOmsEHcAxaH3irL53+8YDIeVNQEySh4DaYU/iuPqQ==
@@ -5150,7 +5150,7 @@ thread-stream@^0.15.1:
   resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
   integrity sha512-w89qg7PI8wAdvX60bMDP+bFoD5Dvhm9oLheFp5O4a2QF0cSBGsBX4qZmadPMvVqlLJBBci+WqGGOAPvcDeNSVg==
 
-tiny-glob@^0.2.9:
+tiny-glob@0.2.9:
   version "0.2.9"
   resolved "https://registry.yarnpkg.com/tiny-glob/-/tiny-glob-0.2.9.tgz#2212d441ac17928033b110f8b3640683129d31e2"
   integrity sha512-g/55ssRPUjShh+xkfx9UPDXqhckHEsHr4Vd9zX55oSdGZc/MD0m3sferOkwWtp98bv+kcVfEHtRJgBVJzelrzg==