diff --git a/sbt/src/sbt-test/project/session-save/build.sbt b/sbt/src/sbt-test/project/session-save/build.sbt
new file mode 100755
index 000000000..fcf95068c
--- /dev/null
+++ b/sbt/src/sbt-test/project/session-save/build.sbt
@@ -0,0 +1,6 @@
+k1 := {
+}
+
+k2 := {
+}
+
diff --git a/sbt/src/sbt-test/project/session-save/project/Build.scala b/sbt/src/sbt-test/project/session-save/project/Build.scala
new file mode 100755
index 000000000..d90a26779
--- /dev/null
+++ b/sbt/src/sbt-test/project/session-save/project/Build.scala
@@ -0,0 +1,8 @@
+import sbt._
+
+object TestBuild extends Build {
+	val k1 = TaskKey[Unit]("k1")
+	val k2 = TaskKey[Unit]("k2")
+
+	lazy val root = Project("root", file("."))
+}
diff --git a/sbt/src/sbt-test/project/session-save/test b/sbt/src/sbt-test/project/session-save/test
new file mode 100755
index 000000000..9011de364
--- /dev/null
+++ b/sbt/src/sbt-test/project/session-save/test
@@ -0,0 +1,22 @@
+> set k1 := {error("k1")}
+> session save
+> reload
+-> k1
+
+> set k2 <<= k1 map identity
+> session save
+> reload
+-> k2
+
+> set k1 := {}
+> session save
+> reload
+> k1
+> k2
+
+> set k1 <<= k1 map {_ => error("k1")}
+> set k2 := {}
+> session save
+> reload
+-> k1
+> k2
\ No newline at end of file