diff --git a/subprojects/plugins/src/integTest/groovy/org/gradle/groovy/GroovyBasePluginIntegrationTest.groovy b/subprojects/plugins/src/integTest/groovy/org/gradle/groovy/GroovyBasePluginIntegrationTest.groovy
index 4d678f507afe4..04a946c19a262 100644
--- a/subprojects/plugins/src/integTest/groovy/org/gradle/groovy/GroovyBasePluginIntegrationTest.groovy
+++ b/subprojects/plugins/src/integTest/groovy/org/gradle/groovy/GroovyBasePluginIntegrationTest.groovy
@@ -120,13 +120,14 @@ task verify {
 
             sourceSets {
                 main {
-                    groovy.outputDir = new File(buildDir,'bin')
+                    groovy.outputDir = file("$buildDir/bin")
                 }
             }
 
             task assertDirectoriesAreEquals {
                 doLast {
                     assert sourceSets.main.groovy.outputDir == compileGroovy.destinationDir
+                    assert sourceSets.main.groovy.outputDir.absolutePath == "$buildDir/bin"
                 }
             }
         '''