diff --git a/plugin/src/main/scala-2.10/coursier/Tasks.scala b/plugin/src/main/scala-2.10/coursier/Tasks.scala
index 1e43da038..07b14db77 100644
--- a/plugin/src/main/scala-2.10/coursier/Tasks.scala
+++ b/plugin/src/main/scala-2.10/coursier/Tasks.scala
@@ -221,7 +221,7 @@ object Tasks {
         val interProjectRepo = InterProjectRepository(projects)
 
         val ivyProperties = Map(
-          "ivy.home" -> s"${sys.props("user.home")}/.ivy2"
+          "ivy.home" -> (new File(sys.props("user.home")).toURI.getPath + "/.ivy2")
         ) ++ sys.props
 
         val repositories = Seq(globalPluginsRepo, interProjectRepo) ++ resolvers.flatMap(FromSbt.repository(_, ivyProperties))