diff --git a/packages/babel-helper-transform-fixture-test-runner/src/index.js b/packages/babel-helper-transform-fixture-test-runner/src/index.js
index 1af2fb868560..e9c876356ea9 100644
--- a/packages/babel-helper-transform-fixture-test-runner/src/index.js
+++ b/packages/babel-helper-transform-fixture-test-runner/src/index.js
@@ -298,7 +298,7 @@ function normalizeOutput(code) {
   return code
     .trim()
     .replace(
-      new RegExp(escapeRegExp(path.resolve(__dirname, "../../../")), "g"),
+      new RegExp(escapeRegExp(path.posix.resolve(__dirname, "../../../")), "g"),
       "<CWD>",
     );
 }