diff --git a/sbt/src/sbt-test/compiler-project/error-in-invalidated/build.sbt b/sbt/src/sbt-test/compiler-project/error-in-invalidated/build.sbt
index f06e1de7d..8a40ded0c 100644
--- a/sbt/src/sbt-test/compiler-project/error-in-invalidated/build.sbt
+++ b/sbt/src/sbt-test/compiler-project/error-in-invalidated/build.sbt
@@ -1 +1,5 @@
-incOptions := sbt.inc.IncOptions.Default
+lazy val root = (project in file(".")).
+  settings(
+    incOptions := sbt.inc.IncOptions.Default,
+    scalaVersion := "2.11.7"
+  )
diff --git a/sbt/src/sbt-test/compiler-project/error-in-invalidated/test b/sbt/src/sbt-test/compiler-project/error-in-invalidated/test
index 5f4cf63f8..9f4537091 100644
--- a/sbt/src/sbt-test/compiler-project/error-in-invalidated/test
+++ b/sbt/src/sbt-test/compiler-project/error-in-invalidated/test
@@ -1,9 +1,13 @@
 > compile
+
 # comment out `initialized` method in A
 $ copy-file changes/A1.scala src/main/scala/A.scala
+$ sleep 1000
 # compilation of A.scala succeeds but B.scala gets invalidated (properly) and B.scala fails to compile
 -> compile
+
 # we change A.scala to its original shape so compilation should succeed again
 $ copy-file changes/A2.scala src/main/scala/A.scala
+$ sleep 1000
 # this fails at the moment due to use of stale class file for A, see #958 for details
 > compile