diff --git a/src/context.ts b/src/context.ts
index 5ec98999..d1cfd898 100644
--- a/src/context.ts
+++ b/src/context.ts
@@ -99,7 +99,7 @@ export class Context {
   }
 
   relative(path: string) {
-    return relative(this.root, path)
+    return relative(this.root, path).replace(/\\/g, '/')
   }
 
   setImports(key: string, names: string[]) {