diff --git a/libs/remixd/src/services/hardhatClient.ts b/libs/remixd/src/services/hardhatClient.ts
index bf7ca0cc9d..3928e9af64 100644
--- a/libs/remixd/src/services/hardhatClient.ts
+++ b/libs/remixd/src/services/hardhatClient.ts
@@ -54,7 +54,7 @@ export class HardhatClient extends PluginClient {
         const errMsg = '[Hardhat Compilation]: Cannot compile in read-only mode'
         return reject(new Error(errMsg))
       }
-      const cmd = `npx hardhat compile --config ${configPath}`
+      const cmd = `npx hardhat compile --config ${utils.normalizePath(configPath)}`
       const options = { cwd: this.currentSharedFolder, shell: true }
       const child = spawn(cmd, options)
       let result = ''
diff --git a/libs/remixd/src/utils.ts b/libs/remixd/src/utils.ts
index 067e5f4113..9c0963e296 100644
--- a/libs/remixd/src/utils.ts
+++ b/libs/remixd/src/utils.ts
@@ -44,10 +44,10 @@ function relativePath (path: string, sharedFolder: string): string {
   return normalizePath(relative)
 }
 
-function normalizePath (path: string): string {
+function normalizePath (path) {
   if (path === '/') path = './'
   if (process.platform === 'win32') {
-    return path.replace(/\\/g, '/')
+    return path.replace(/\//g, '\\')
   }
   return path
 }
@@ -114,4 +114,4 @@ function getDomain (url: string) {
   return domainMatch ? domainMatch[0] : null
 }
 
-export { absolutePath, relativePath, walkSync, resolveDirectory, getDomain }
+export { absolutePath, relativePath, walkSync, resolveDirectory, getDomain, normalizePath }