diff --git a/sbt/src/sbt-test/project/setting-macro/build.sbt b/sbt/src/sbt-test/project/setting-macro/build.sbt
index 22b5e4e3c..c07c3c0ad 100644
--- a/sbt/src/sbt-test/project/setting-macro/build.sbt
+++ b/sbt/src/sbt-test/project/setting-macro/build.sbt
@@ -27,3 +27,8 @@ key1 := {
 	)
   ()
 }
+
+// https://github.com/sbt/sbt/issues/1107
+def appcfgTask(a: String, b: String) = Def.task("")
+
+TaskKey[Unit]("test") := appcfgTask(b = "", a = "").value
diff --git a/util/appmacro/src/main/scala/sbt/appmacro/Instance.scala b/util/appmacro/src/main/scala/sbt/appmacro/Instance.scala
index 0de166b67..043ad8731 100644
--- a/util/appmacro/src/main/scala/sbt/appmacro/Instance.scala
+++ b/util/appmacro/src/main/scala/sbt/appmacro/Instance.scala
@@ -167,7 +167,7 @@ object Instance
 		def addType(tpe: Type, qual: Tree, selection: Tree): Tree =
 		{
 			qual.foreach(checkQual)
-			val vd = util.freshValDef(tpe, qual.symbol.pos, functionSym)
+			val vd = util.freshValDef(tpe, qual.pos, functionSym)
 			inputs ::= new Input(tpe, qual, vd)
 			util.refVal(selection, vd)
 		}