diff --git a/build.sbt b/build.sbt
index 7f73684c3..847e67f07 100644
--- a/build.sbt
+++ b/build.sbt
@@ -61,6 +61,14 @@ def commonSettings: Seq[Setting[_]] = Def.settings(
   testOptions in Test += Tests.Argument(TestFrameworks.ScalaCheck, "-w", "1"),
   testOptions in Test += Tests.Argument(TestFrameworks.ScalaCheck, "-verbosity", "2"),
   javacOptions in compile ++= Seq("-Xlint", "-Xlint:-serial"),
+  scalacOptions in (Compile, doc) ++= {
+    Seq(
+      "-sourcepath",
+      (baseDirectory in LocalRootProject).value.getAbsolutePath,
+      "-doc-source-url",
+      s"""https://github.com/sbt/sbt/tree/${sys.process.Process("git rev-parse HEAD").lineStream_!.head}€{FILE_PATH}.scala"""
+    )
+  },
   crossScalaVersions := Seq(baseScalaVersion),
   bintrayPackage := (bintrayPackage in ThisBuild).value,
   bintrayRepository := (bintrayRepository in ThisBuild).value,