diff --git a/src/rspack/loaders/load.ts b/src/rspack/loaders/load.ts
index d4189919..8d42c794 100644
--- a/src/rspack/loaders/load.ts
+++ b/src/rspack/loaders/load.ts
@@ -16,13 +16,18 @@ export default async function load(this: LoaderContext, source: string, map: any
     id = decodeVirtualModuleId(id, plugin)
 
   const context = createContext(this)
+
+  id = normalizeAbsolutePath(id)
+  if (id.startsWith('\\'))
+    id = id.replace(/\\/g, '/')
+
   const res = await plugin.load.call(
     Object.assign(
       {},
       this._compilation && createBuildContext(this._compiler, this._compilation, this),
       context,
     ),
-    normalizeAbsolutePath(id),
+    id,
   )
 
   if (res == null)
diff --git a/src/webpack/loaders/load.ts b/src/webpack/loaders/load.ts
index 16a1010c..ac06db3e 100644
--- a/src/webpack/loaders/load.ts
+++ b/src/webpack/loaders/load.ts
@@ -16,6 +16,11 @@ export default async function load(this: LoaderContext<{ unpluginName: string }>
     id = decodeURIComponent(id.slice(plugin.__virtualModulePrefix.length))
 
   const context = createContext(this)
+
+  id = normalizeAbsolutePath(id)
+  if (id.startsWith('\\'))
+    id = id.replace(/\\/g, '/')
+
   const res = await plugin.load.call(
     Object.assign({}, createBuildContext({
       addWatchFile: (file) => {
@@ -25,7 +30,7 @@ export default async function load(this: LoaderContext<{ unpluginName: string }>
         return this.getDependencies()
       },
     }, this._compiler!, this._compilation, this), context),
-    normalizeAbsolutePath(id),
+    id,
   )
 
   if (res == null)