diff --git a/src/index.ts b/src/index.ts
index fb774a2fb7..1caf5b5abc 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -60,7 +60,7 @@ async function replaceTagContents(source, type: 'script' | 'style', preprocessor
 		const processed: { code: string, map?: SourceMap | string } = await preprocessor({
 			content,
 			attributes,
-			options
+			filename : options.filename
 		});
 
 		if (processed && processed.code) {
@@ -80,7 +80,7 @@ export async function preprocess(source: string, options: PreprocessOptions) {
 	if (!!markup) {
 		const processed: { code: string, map?: SourceMap | string } = await markup({
 			content: source,
-			options
+			filename: options.filename
 		});
 		source = processed.code;
 	}
diff --git a/src/interfaces.ts b/src/interfaces.ts
index 51b45983ae..f2923c0788 100644
--- a/src/interfaces.ts
+++ b/src/interfaces.ts
@@ -86,7 +86,7 @@ export interface PreprocessOptions {
 	markup?: (options: {content: string, options: PreprocessOptions}) => { code: string, map?: SourceMap | string };
 	style?: Preprocessor;
 	script?: Preprocessor;
-	id?: string
+	filename?: string
 }
 
-export type Preprocessor = (options: {content: string, attributes: Record<string, string | boolean>, options: PreprocessOptions}) => { code: string, map?: SourceMap | string };
+export type Preprocessor = (options: {content: string, attributes: Record<string, string | boolean>, filename?: string}) => { code: string, map?: SourceMap | string };