diff --git a/index.js b/index.js
index 743ef1136..80198b2c3 100755
--- a/index.js
+++ b/index.js
@@ -212,7 +212,7 @@ NYC.prototype.instrumentAllFiles = function (input, output, cb) {
     }
 
     if (transform) {
-      code = transform(code, { filename: filename, relFile: inFile })
+      code = transform(code, { filename: inFile, relFile: inFile })
     }
 
     if (!output) {
diff --git a/test/nyc-integration.js b/test/nyc-integration.js
index 7c208230c..9cc5cfe8b 100644
--- a/test/nyc-integration.js
+++ b/test/nyc-integration.js
@@ -480,7 +480,7 @@ describe('the nyc cli', function () {
 
         proc.on('close', function (code) {
           code.should.equal(0)
-          stdout.should.match(/path:"\.\/half-covered\.js"/)
+          stdout.should.contain(`path:${JSON.stringify(path.resolve(fixturesCLI, 'half-covered.js'))}`)
           done()
         })
       })