diff --git a/sbt/src/sbt-test/source-dependencies/transitive-memberRef/build.sbt b/sbt/src/sbt-test/source-dependencies/transitive-memberRef/build.sbt
index e3f040678..1c79eebbe 100644
--- a/sbt/src/sbt-test/source-dependencies/transitive-memberRef/build.sbt
+++ b/sbt/src/sbt-test/source-dependencies/transitive-memberRef/build.sbt
@@ -16,10 +16,13 @@ TaskKey[Unit]("check-compilations") := {
   val analysis = (compile in Compile).value match { case a: Analysis => a }
   val srcDir = (scalaSource in Compile).value
   def relative(f: java.io.File): java.io.File =  f.relativeTo(srcDir) getOrElse f
+  def findFile(className: String): File = {
+    relative(analysis.relations.definesClass(className).head)
+  }
   val allCompilations = analysis.compilations.allCompilations
   val recompiledFiles: Seq[Set[java.io.File]] = allCompilations map { c =>
     val recompiledFiles = analysis.apis.internal.collect {
-      case (file, api) if api.compilation.startTime == c.startTime => relative(file)
+      case (cn, api) if api.compilation.startTime == c.startTime => findFile(cn)
     }
     recompiledFiles.toSet
   }