diff --git a/compile/interface/CompilerInterface.scala b/compile/interface/CompilerInterface.scala
index cfb191c9c..26a2bc784 100644
--- a/compile/interface/CompilerInterface.scala
+++ b/compile/interface/CompilerInterface.scala
@@ -60,29 +60,36 @@ class CompilerInterface
 }
 class ScaladocInterface
 {
-		def run(args: Array[String], maximumErrors: Int, log: Logger)
+	def run(args: Array[String], maximumErrors: Int, log: Logger)
+	{
+		import scala.tools.nsc.{doc, CompilerCommand, Global}
+		val reporter = new LoggerReporter(maximumErrors, log)
+		val docSettings: doc.Settings = new doc.Settings(reporter.error)
+		val command = new CompilerCommand(args.toList, docSettings, error, false)
+		trait Compat27 { def computeInternalPhases(): Unit = () }
+		val phasesSet = scala.collection.mutable.Set[scala.tools.nsc.SubComponent]() // for 2.7 source compatibility
+		object compiler extends Global(command.settings, reporter) with Compat27
 		{
-			import scala.tools.nsc.{doc, CompilerCommand, Global}
-			val reporter = new LoggerReporter(maximumErrors, log)
-			val docSettings: doc.Settings = new doc.Settings(reporter.error)
-			val command = new CompilerCommand(args.toList, docSettings, error, false)
-			object compiler extends Global(command.settings, reporter)
-			{
-				override val onlyPresentation = true
+			override def onlyPresentation = true
+			override def computeInternalPhases() {
+				phasesSet += syntaxAnalyzer
+				phasesSet += analyzer.namerFactory
+				phasesSet += analyzer.typerFactory
 			}
-			if(!reporter.hasErrors)
-			{
-				val run = new compiler.Run
-				run compile command.files
-				val generator = new doc.DefaultDocDriver
-				{
-					lazy val global: compiler.type = compiler
-					lazy val settings = docSettings
-				}
-				generator.process(run.units)
-			}
-			reporter.printSummary()
-			if(reporter.hasErrors) throw new InterfaceCompileFailed(args, "Scaladoc generation failed")
 		}
+		if(!reporter.hasErrors)
+		{
+			val run = new compiler.Run
+			run compile command.files
+			val generator = new doc.DefaultDocDriver
+			{
+				lazy val global: compiler.type = compiler
+				lazy val settings = docSettings
+			}
+			generator.process(run.units)
+		}
+		reporter.printSummary()
+		if(reporter.hasErrors) throw new InterfaceCompileFailed(args, "Scaladoc generation failed")
+	}
 }
 class InterfaceCompileFailed(val arguments: Array[String], override val toString: String) extends xsbti.CompileFailed
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