diff --git a/packages/js-runtime/program.ts b/packages/js-runtime/program.ts
index 7655db752..b9a6d1223 100644
--- a/packages/js-runtime/program.ts
+++ b/packages/js-runtime/program.ts
@@ -1,6 +1,6 @@
 import { isDeno } from "@commontools/utils/env";
 import { ProgramResolver, Source } from "./interface.ts";
-import { dirname, join } from "@std/path";
+import { dirname, join } from "@std/path/posix";
 
 export class InMemoryProgram implements ProgramResolver {
   private modules: Record<string, string>;
diff --git a/packages/js-runtime/typescript/resolver.ts b/packages/js-runtime/typescript/resolver.ts
index 7bee97167..f9709bcca 100644
--- a/packages/js-runtime/typescript/resolver.ts
+++ b/packages/js-runtime/typescript/resolver.ts
@@ -1,6 +1,6 @@
 import ts from "typescript";
 import { Program, ProgramResolver, Source } from "../interface.ts";
-import { dirname, join } from "@std/path";
+import { dirname, join } from "@std/path/posix";
 
 export type UnresolvedModuleHandling =
   | { type: "allow"; identifiers: string[] }