diff --git a/main/src/main/scala/sbt/Defaults.scala b/main/src/main/scala/sbt/Defaults.scala
index 100fba3f9..cc6411d12 100755
--- a/main/src/main/scala/sbt/Defaults.scala
+++ b/main/src/main/scala/sbt/Defaults.scala
@@ -1459,6 +1459,9 @@ object Classpaths
 				case Predefined.MavenCentral => DefaultMavenRepository
 				case Predefined.ScalaToolsReleases => ScalaToolsReleases
 				case Predefined.ScalaToolsSnapshots => ScalaToolsSnapshots
+				case Predefined.SonatypeOSSReleases => Resolver.sonatypeRepo("releases")
+				case Predefined.SonatypeOSSSnapshots => Resolver.sonatypeRepo("snapshots")
+				case unknown => error("Unknown predefined resolver '" + unknown + "'.  This resolver may only be supported in newer sbt versions.")
 			}
 		}
 	}