diff --git a/ivy/src/main/scala/sbt/IvyActions.scala b/ivy/src/main/scala/sbt/IvyActions.scala
index 33436452c..657cdd65c 100644
--- a/ivy/src/main/scala/sbt/IvyActions.scala
+++ b/ivy/src/main/scala/sbt/IvyActions.scala
@@ -231,20 +231,24 @@ object IvyActions {
           throw w.resolveException
       }
       val newConfig = config.copy(module = mod.copy(modules = report.allModules))
-      updateClassifiers(ivySbt, newConfig, uwconfig, logicalClock, depDir, log)
+      updateClassifiers(ivySbt, newConfig, uwconfig, logicalClock, depDir, Vector(), log)
     }
   @deprecated("This is no longer public.", "0.13.6")
   def updateClassifiers(ivySbt: IvySbt, config: GetClassifiersConfiguration, log: Logger): UpdateReport =
-    updateClassifiers(ivySbt, config, UnresolvedWarningConfiguration(), LogicalClock.unknown, None, log)
+    updateClassifiers(ivySbt, config, UnresolvedWarningConfiguration(), LogicalClock.unknown, None, Vector(), log)
 
+  // artifacts can be obtained from calling toSeq on UpdateReport
   private[sbt] def updateClassifiers(ivySbt: IvySbt, config: GetClassifiersConfiguration,
-    uwconfig: UnresolvedWarningConfiguration, logicalClock: LogicalClock, depDir: Option[File], log: Logger): UpdateReport =
+    uwconfig: UnresolvedWarningConfiguration, logicalClock: LogicalClock, depDir: Option[File],
+    artifacts: Vector[(String, ModuleID, Artifact, File)],
+    log: Logger): UpdateReport =
     {
       import config.{ configuration => c, module => mod, _ }
       import mod.{ configurations => confs, _ }
       assert(classifiers.nonEmpty, "classifiers cannot be empty")
       val baseModules = modules map { m => restrictedCopy(m, true) }
-      val deps = baseModules.distinct flatMap classifiedArtifacts(classifiers, exclude)
+      // Adding list of explicit artifacts here.
+      val deps = baseModules.distinct flatMap classifiedArtifacts(classifiers, exclude, artifacts)
       val base = restrictedCopy(id, true).copy(name = id.name + classifiers.mkString("$", "_", ""))
       val module = new ivySbt.Module(InlineConfigurationWithExcludes(base, ModuleInfo(base.name), deps).copy(ivyScala = ivyScala, configurations = confs))
       val upConf = new UpdateConfiguration(c.retrieve, true, c.logging)
@@ -254,6 +258,21 @@ object IvyActions {
           throw w.resolveException
       }
     }
+  // This version adds explicit artifact
+  private[sbt] def classifiedArtifacts(classifiers: Seq[String],
+    exclude: Map[ModuleID, Set[String]],
+    artifacts: Vector[(String, ModuleID, Artifact, File)])(m: ModuleID): Option[ModuleID] = {
+    def sameModule(m1: ModuleID, m2: ModuleID): Boolean = m1.organization == m2.organization && m1.name == m2.name && m1.revision == m2.revision
+    def explicitArtifacts =
+      {
+        val arts = (artifacts collect { case (_, x, art, _) if sameModule(m, x) && art.classifier.isDefined => art }).distinct
+        if (arts.isEmpty) None
+        else Some(m.copy(isTransitive = false, explicitArtifacts = arts))
+      }
+    def hardcodedArtifacts = classifiedArtifacts(classifiers, exclude)(m)
+    explicitArtifacts orElse hardcodedArtifacts
+  }
+  @deprecated("This is no longer public.", "0.13.10")
   def classifiedArtifacts(classifiers: Seq[String], exclude: Map[ModuleID, Set[String]])(m: ModuleID): Option[ModuleID] =
     {
       val excluded = exclude getOrElse (restrictedCopy(m, false), Set.empty)
diff --git a/ivy/src/main/scala/sbt/UpdateReport.scala b/ivy/src/main/scala/sbt/UpdateReport.scala
index 5a866632a..6cb401c5f 100644
--- a/ivy/src/main/scala/sbt/UpdateReport.scala
+++ b/ivy/src/main/scala/sbt/UpdateReport.scala
@@ -31,8 +31,14 @@ final class ConfigurationReport(
    * All resolved modules for this configuration.
    * For a given organization and module name, there is only one revision/`ModuleID` in this sequence.
    */
-  def allModules: Seq[ModuleID] = modules.map(mr => addConfiguration(mr.module))
-  private[this] def addConfiguration(mod: ModuleID): ModuleID = if (mod.configurations.isEmpty) mod.copy(configurations = Some(configuration)) else mod
+  def allModules: Seq[ModuleID] = modules map addConfiguration
+  private[this] def addConfiguration(mr: ModuleReport): ModuleID = {
+    val module = mr.module
+    if (module.configurations.isEmpty) {
+      val conf = mr.configurations map (c => s"$configuration->$c") mkString ";"
+      module.copy(configurations = Some(conf))
+    } else module
+  }
 
   def retrieve(f: (String, ModuleID, Artifact, File) => File): ConfigurationReport =
     new ConfigurationReport(configuration, modules map { _.retrieve((mid, art, file) => f(configuration, mid, art, file)) }, details, evicted)
@@ -194,7 +200,21 @@ final class UpdateReport(val cachedDescriptor: File, val configurations: Seq[Con
   override def toString = "Update report:\n\t" + stats + "\n" + configurations.mkString
 
   /** All resolved modules in all configurations. */
-  def allModules: Seq[ModuleID] = configurations.flatMap(_.allModules).distinct
+  def allModules: Seq[ModuleID] =
+    {
+      val key = (m: ModuleID) => (m.organization, m.name, m.revision)
+      configurations.flatMap(_.allModules).groupBy(key).toSeq map {
+        case (k, v) =>
+          v reduceLeft { (agg, x) =>
+            agg.copy(
+              configurations = (agg.configurations, x.configurations) match {
+                case (None, _)            => x.configurations
+                case (Some(ac), None)     => Some(ac)
+                case (Some(ac), Some(xc)) => Some(s"$ac;$xc")
+              })
+          }
+      }
+    }
 
   def retrieve(f: (String, ModuleID, Artifact, File) => File): UpdateReport =
     new UpdateReport(cachedDescriptor, configurations map { _ retrieve f }, stats, stamps)
diff --git a/main/src/main/scala/sbt/Defaults.scala b/main/src/main/scala/sbt/Defaults.scala
index 844f8719b..55730060c 100755
--- a/main/src/main/scala/sbt/Defaults.scala
+++ b/main/src/main/scala/sbt/Defaults.scala
@@ -1234,7 +1234,8 @@ object Classpaths {
         val uwConfig = (unresolvedWarningConfiguration in update).value
         val logicalClock = LogicalClock(state.value.hashCode)
         val depDir = dependencyCacheDirectory.value
-        IvyActions.updateClassifiers(is, GetClassifiersConfiguration(mod, excludes, c, ivyScala.value), uwConfig, LogicalClock(state.value.hashCode), Some(depDir), s.log)
+        val artifacts = update.value.toSeq.toVector
+        IvyActions.updateClassifiers(is, GetClassifiersConfiguration(mod, excludes, c, ivyScala.value), uwConfig, LogicalClock(state.value.hashCode), Some(depDir), artifacts, s.log)
       }
     } tag (Tags.Update, Tags.Network)
   )
diff --git a/notes/0.13.10/fix-updateclassifiers-configuration.markdown b/notes/0.13.10/fix-updateclassifiers-configuration.markdown
new file mode 100644
index 000000000..b69053d5a
--- /dev/null
+++ b/notes/0.13.10/fix-updateclassifiers-configuration.markdown
@@ -0,0 +1,13 @@
+
+  [@eed3si9n]: https://github.com/eed3si9n
+  [@Duhemm]: https://github.com/Duhemm
+  [2264]: https://github.com/sbt/sbt/issues/2264
+
+### Fixes with compatibility implications
+
+### Improvements
+
+### Bug fixes
+
+- Fixes `updateClassifiers` on Ivy modules without `default` configuration.
+  [#2264][2264] by [@eed3si9n][@eed3si9n]/[@Duhemm][@Duhemm]
diff --git a/sbt/src/sbt-test/dependency-management/update-classifiers/build.sbt b/sbt/src/sbt-test/dependency-management/update-classifiers/build.sbt
new file mode 100644
index 000000000..37e6881db
--- /dev/null
+++ b/sbt/src/sbt-test/dependency-management/update-classifiers/build.sbt
@@ -0,0 +1,46 @@
+val fooFile = taskKey[File]("sample artifact")
+val RuntimeX = config("runtime")
+val check = taskKey[Unit]("check")
+
+lazy val commonSettings = Seq(
+  organization := "com.example",
+  version := "0.1-SNAPSHOT",
+  scalaVersion := "2.11.7",
+  ivyPaths := new IvyPaths( (baseDirectory in ThisBuild).value, Some((target in LocalRootProject).value / "ivy-cache")),
+  fullResolvers := fullResolvers.value.filterNot(_.name == "inter-project")
+)
+
+lazy val root = (project in file(".")).
+  settings(commonSettings)
+
+lazy val classifierproducer = (project in file("classifierproducer")).
+  settings(
+    commonSettings,
+    fooFile := { baseDirectory.value / "foo.txt" },
+    addArtifact( Artifact("classifierproducer", "text", "txt", "runtime"), fooFile),
+    ivyConfigurations := Seq(RuntimeX, Configurations.ScalaTool),
+    publishArtifact in Compile := false,
+    publishArtifact in Test := false,
+    publishMavenStyle := false,
+    autoScalaLibrary := false,
+    crossPaths := false
+  )
+
+lazy val classifierconsumer = (project in file("classifierconsumer")).
+  settings(
+    commonSettings,
+    libraryDependencies += "com.example" % "classifierproducer" % "0.1-SNAPSHOT" % "compile->runtime",
+    check := {
+      val ur = updateClassifiers.value
+      val mrs = for {
+        cr <- ur.configurations if cr.configuration == "compile"
+        oar <- cr.details if (oar.organization == "com.example") && (oar.name == "classifierproducer")
+        mr <- oar.modules if (mr.module.revision == "0.1-SNAPSHOT")
+      } yield mr
+      val mr = mrs.head
+      if (mr.artifacts exists { case (a: Artifact, f) =>
+        a.extension == "txt"
+      }) ()
+      else sys.error("txt artifact was not found: " + mr.toString)
+    }
+  )
diff --git a/sbt/src/sbt-test/dependency-management/update-classifiers/classifierproducer/foo.txt b/sbt/src/sbt-test/dependency-management/update-classifiers/classifierproducer/foo.txt
new file mode 100644
index 000000000..e69de29bb
diff --git a/sbt/src/sbt-test/dependency-management/update-classifiers/test b/sbt/src/sbt-test/dependency-management/update-classifiers/test
new file mode 100644
index 000000000..a427c514b
--- /dev/null
+++ b/sbt/src/sbt-test/dependency-management/update-classifiers/test
@@ -0,0 +1,3 @@
+> classifierproducer/publishLocal
+
+> classifierconsumer/check