diff --git a/packages/compartment-mapper/test/fixtures-cjs-compat/node_modules/require-resolve/main.js b/packages/compartment-mapper/test/fixtures-cjs-compat/node_modules/require-resolve/main.js
index 065f95a991..9f4ff3693d 100644
--- a/packages/compartment-mapper/test/fixtures-cjs-compat/node_modules/require-resolve/main.js
+++ b/packages/compartment-mapper/test/fixtures-cjs-compat/node_modules/require-resolve/main.js
@@ -1,6 +1,9 @@
 const adaptToAssertions = (f) => {
   try {
-    return (f()).replace(/^.*compartment-mapper\/test/,'/skipped');
+    let result = f();
+    result = result.replace(/\\/g,'/');
+    result = result.replace(/^.*compartment-mapper\/test/,'/skipped');
+    return result;
   } catch (e) {
     return e.message.split('\n')[0];
   }