diff --git a/webpack.config.ts b/webpack.config.ts
index 1ee2c25..1532f6d 100644
--- a/webpack.config.ts
+++ b/webpack.config.ts
@@ -2,6 +2,10 @@
 
 import path from 'path';
 import webpack from 'webpack';
+import { fileURLToPath } from "url";
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
 
 const config: webpack.Configuration = {
   entry: "./src/mushroom-strategy.ts",
diff --git a/webpack.dev.config.ts b/webpack.dev.config.ts
index 3a00697..4e397bb 100644
--- a/webpack.dev.config.ts
+++ b/webpack.dev.config.ts
@@ -2,6 +2,10 @@
 
 import path from 'path';
 import webpack from 'webpack';
+import { fileURLToPath } from "url";
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
 
 const config: webpack.Configuration = {
   entry: "./src/mushroom-strategy.ts",