diff --git a/.gitignore b/.gitignore
index ff8a8fb65d..472328464c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,6 +11,8 @@ node_modules
 /test/cli/samples/*/actual
 /test/sourcemaps/samples/*/output.js
 /test/sourcemaps/samples/*/output.js.map
+/test/sourcemaps/samples/*/output.css
+/test/sourcemaps/samples/*/output.css.map
 /src/compile/shared.ts
 /store.umd.js
 /yarn-error.log
diff --git a/src/compile/Component.ts b/src/compile/Component.ts
index 02a9c06aa6..c704147cf7 100644
--- a/src/compile/Component.ts
+++ b/src/compile/Component.ts
@@ -219,7 +219,7 @@ export default class Component {
 		this.code = new MagicString(source);
 
 		// styles
-		this.stylesheet = new Stylesheet(source, ast, this.file, options.dev);
+		this.stylesheet = new Stylesheet(source, ast, options.filename, options.dev);
 		this.stylesheet.validate(this);
 
 		// allow compiler to deconflict user's `import { get } from 'whatever'` and
diff --git a/test/sourcemaps/samples/css/output.css b/test/sourcemaps/samples/css/output.css
deleted file mode 100644
index f12b3f22b9..0000000000
--- a/test/sourcemaps/samples/css/output.css
+++ /dev/null
@@ -1,2 +0,0 @@
-.foo.svelte-sg04hs{color:red}
-/*# sourceMappingURL=output.css.map */
\ No newline at end of file
diff --git a/test/sourcemaps/samples/css/output.css.map b/test/sourcemaps/samples/css/output.css.map
deleted file mode 100644
index 23b5df6be3..0000000000
--- a/test/sourcemaps/samples/css/output.css.map
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-  "version": 3,
-  "file": "output.css",
-  "sources": [
-    "input.html"
-  ],
-  "sourcesContent": [
-    "<p class='foo'>red</p>\n\n<style>\n\t.foo {\n\t\tcolor: red;\n\t}\n</style>"
-  ],
-  "names": [],
-  "mappings": "AAGC,IAAI,cAAC,CAAC,AACL,KAAK,CAAE,GAAG,AACX,CAAC"
-}
\ No newline at end of file