diff --git a/scalafix-sbt/src/main/scala/scalafix/sbt/ScalafixPlugin.scala b/scalafix-sbt/src/main/scala/scalafix/sbt/ScalafixPlugin.scala
index 509f9d59a..a95fcec3e 100644
--- a/scalafix-sbt/src/main/scala/scalafix/sbt/ScalafixPlugin.scala
+++ b/scalafix-sbt/src/main/scala/scalafix/sbt/ScalafixPlugin.scala
@@ -28,6 +28,19 @@ object ScalafixPlugin extends AutoPlugin {
     val scalafixConfig: SettingKey[Option[File]] =
       settingKey[Option[File]](
         ".scalafix.conf file to specify which scalafix rules should run.")
+
+    /** Configures the scalafix/scalafixTest commands to run in configs. */
+    def scalafixConfigure(configs: Configuration*): Seq[Setting[_]] =
+      List(
+        configureForConfigurations(
+          configs,
+          scalafix,
+          c => scalafixTaskImpl(c, Nil)),
+        configureForConfigurations(
+          configs,
+          scalafixTest,
+          c => scalafixTaskImpl(c, Seq("--test")))
+      ).flatten
     val scalafixEnabled: SettingKey[Boolean] =
       settingKey[Boolean](
         "If false, scalafix will not enable the semanticdb-scalac compiler plugin, which is necessary for semantic rules.")
@@ -174,18 +187,27 @@ object ScalafixPlugin extends AutoPlugin {
       }
     }
   )
+
   lazy val scalafixTaskSettings: Seq[Def.Setting[InputTask[Unit]]] =
-    configureForCompileAndTest(scalafix, scalafixTaskImpl(_))
+    configureForCompileAndTest(scalafix, c => scalafixTaskImpl(c))
   lazy val scalafixTestTaskSettings: Seq[Def.Setting[InputTask[Unit]]] =
-    configureForCompileAndTest(scalafixTest, scalafixTaskImpl(_, Seq("--test")))
+    configureForCompileAndTest(
+      scalafixTest,
+      c => scalafixTaskImpl(c, Seq("--test")))
+
+  def configureForConfigurations(
+      configurations: Seq[Configuration],
+      task: InputKey[Unit],
+      impl: Seq[Configuration] => Def.Initialize[InputTask[Unit]]
+  ): Seq[Def.Setting[InputTask[Unit]]] =
+    (task := impl(configurations).evaluated) +:
+      configurations.map(c => task.in(c) := impl(Seq(c)).evaluated)
 
   def configureForCompileAndTest(
       task: InputKey[Unit],
-      impl: Seq[Configuration] => Def.Initialize[InputTask[Unit]]) = Seq(
-    task.in(Compile) := impl(Seq(Compile)).evaluated,
-    task.in(Test) := impl(Seq(Test)).evaluated,
-    task := impl(Seq(Compile, Test)).evaluated
-  )
+      impl: Seq[Configuration] => Def.Initialize[InputTask[Unit]]
+  ): Seq[Def.Setting[InputTask[Unit]]] =
+    configureForConfigurations(List(Compile, Test), task, impl)
 
   def scalafixTaskImpl(
       config: Seq[Configuration],
diff --git a/scalafix-sbt/src/sbt-test/sbt-scalafix/cross-build/build.sbt b/scalafix-sbt/src/sbt-test/sbt-scalafix/cross-build/build.sbt
index 42bfa8e0a..31c76466e 100644
--- a/scalafix-sbt/src/sbt-test/sbt-scalafix/cross-build/build.sbt
+++ b/scalafix-sbt/src/sbt-test/sbt-scalafix/cross-build/build.sbt
@@ -17,7 +17,13 @@ lazy val root = project
 
 lazy val scala210 = project.settings(scalaVersion := "2.10.5")
 lazy val scala211 = project.settings(scalaVersion := Versions.scala211)
-lazy val scala212 = project.settings(scalaVersion := Versions.scala212)
+lazy val scala212 = project
+  .configs(IntegrationTest)
+  .settings(
+    Defaults.itSettings,
+    scalafixConfigure(Test, Compile, IntegrationTest),
+    scalaVersion := Versions.scala212
+  )
 lazy val customSourceroot = project.settings(
   scalaVersion := Versions.scala212,
   scalafixSourceroot := sourceDirectory.value
@@ -44,7 +50,11 @@ TaskKey[Unit]("check") := {
       .replace("\"))", "\")")
 
   val results: Seq[Boolean] =
-    Seq(scala210, scala211, scala212, customSourceroot).flatMap { project =>
+    assertContentMatches(
+      "scala212/src/it/scala/Main.scala",
+      expected
+    ) +:
+      Seq(scala210, scala211, scala212, customSourceroot).flatMap { project =>
       val prefix = project.id
       Seq(
         assertContentMatches(
diff --git a/scalafix-sbt/src/sbt-test/sbt-scalafix/cross-build/scala212/src/it/scala/Main.scala b/scalafix-sbt/src/sbt-test/sbt-scalafix/cross-build/scala212/src/it/scala/Main.scala
new file mode 100644
index 000000000..4abc907dc
--- /dev/null
+++ b/scalafix-sbt/src/sbt-test/sbt-scalafix/cross-build/scala212/src/it/scala/Main.scala
@@ -0,0 +1,7 @@
+object Main {
+  def foo(a: (Int, String)) = a
+  foo(1, "str")
+  def main(args: Array[String]) {
+    println(1)
+  }
+}
diff --git a/website/src/main/tut/docs/users/installation.md b/website/src/main/tut/docs/users/installation.md
index bf9d962e7..cccd1f860 100644
--- a/website/src/main/tut/docs/users/installation.md
+++ b/website/src/main/tut/docs/users/installation.md
@@ -27,6 +27,10 @@ scalacOptions ++= List(...) // change := to ++=
 scalacOptions := List(...)                    // keep unchanged
 scalacOptions ++= scalafixScalacOptions.value // add this line
 
+// enable scalafix in custom configurations, only Test and Compile are
+// enabled by default.
+scalafixConfigure(Compile, Test, IntegrationTest)
+
 // ===> sbt shell (example usage)
 > scalafix                               // Run .scalafix.conf rules
 > scalafix RemoveUnusedImports           // Run specific rule